APA aipamena

Crow, J. E. (1977). Planning for agricultural development: A case study of Zinder, Niger. s.n..

Chicago Style aipamena

Crow, John E. Planning for Agricultural Development: A Case Study of Zinder, Niger. [s.l.: s.n., 1977.

MLA aipamena

Crow, John E. Planning for Agricultural Development: A Case Study of Zinder, Niger. s.n., 1977.