APA

International Varna Seminar "On the Way to Convertibility in Central and East European Countries", Schmidt-Bleek F., Točev N. & International Institute for Applied Systems Analysis. (1991). Economic reform and integration: proceedings of the second International Varna Seminar "On the way to convertibility in Central and East European countries", September 30 - October 3, 1990. Laxenburg: International Institute for Applied Systems Analysis.

Chicago

International Varna Seminar "On the Way to Convertibility in Central and East European Countries", Schmidt-Bleek Friedrich, Točev Nikola and International Institute for Applied Systems Analysis. 1991. Economic reform and integration: proceedings of the second International Varna Seminar "On the way to convertibility in Central and East European countries", September 30 - October 3, 1990. Laxenburg: International Institute for Applied Systems Analysis.

Harvard

International Varna Seminar "On the Way to Convertibility in Central and East European Countries", Schmidt-Bleek F., Točev N. and International Institute for Applied Systems Analysis. (1991). Economic reform and integration: proceedings of the second International Varna Seminar "On the way to convertibility in Central and East European countries", September 30 - October 3, 1990. Laxenburg: International Institute for Applied Systems Analysis.

MLA

International Varna Seminar "On the Way to Convertibility in Central and East European Countries", Schmidt-Bleek Friedrich, Točev Nikola and International Institute for Applied Systems Analysis. Economic reform and integration: proceedings of the second International Varna Seminar "On the way to convertibility in Central and East European countries", September 30 - October 3, 1990. Laxenburg: International Institute for Applied Systems Analysis. 1991.