APA

Symposium on Erosion Surfaces, Chatterjee S. P., Enayat Ahmad, Das Gupta S. & Międzynarodowy Kongres Geograficzny. (1970). Proceedings of Symposium on Erosion Surfaces: held at Ranchi on 10-13 December 1968. Calcutta: National Committee for Geography.

Chicago

Symposium on Erosion Surfaces, Chatterjee Shiba Prasad, Enayat Ahmad, Das Gupta Sivaprasad and Międzynarodowy Kongres Geograficzny. 1970. Proceedings of Symposium on Erosion Surfaces: held at Ranchi on 10-13 December 1968. Calcutta: National Committee for Geography.

Harvard

Symposium on Erosion Surfaces, Chatterjee S. P., Enayat Ahmad, Das Gupta S. and Międzynarodowy Kongres Geograficzny. (1970). Proceedings of Symposium on Erosion Surfaces: held at Ranchi on 10-13 December 1968. Calcutta: National Committee for Geography.

MLA

Symposium on Erosion Surfaces, Chatterjee Shiba Prasad, Enayat Ahmad, Das Gupta Sivaprasad and Międzynarodowy Kongres Geograficzny. Proceedings of Symposium on Erosion Surfaces: held at Ranchi on 10-13 December 1968. Calcutta: National Committee for Geography. 1970.