APA
Zalewski M., United Nations Environment Programme & United Nations Environment Programme. (2002). Guidelines for the integrated management of the watershed: phytotechnology and ecohydrology. Osaka: United Nations Environment Programme, Division of Technology, Industry and Economics.
Chicago
Zalewski Maciej, United Nations Environment Programme and United Nations Environment Programme. 2002. Guidelines for the integrated management of the watershed: phytotechnology and ecohydrology. Osaka: United Nations Environment Programme, Division of Technology, Industry and Economics.
Harvard
Zalewski M., United Nations Environment Programme and United Nations Environment Programme. (2002). Guidelines for the integrated management of the watershed: phytotechnology and ecohydrology. Osaka: United Nations Environment Programme, Division of Technology, Industry and Economics.
MLA
Zalewski Maciej, United Nations Environment Programme and United Nations Environment Programme. Guidelines for the integrated management of the watershed: phytotechnology and ecohydrology. Osaka: United Nations Environment Programme, Division of Technology, Industry and Economics. 2002.