APA (7th ed.) Zitazioa
Baldwin, K. (1957). The Niger agricultural project: An experiment in Africa development. Basil Blackwell.
Chicago Style (17th ed.) Zitazioa
Baldwin, K.D.S. The Niger Agricultural Project: An Experiment in Africa Development. Oxford: Basil Blackwell, 1957.
MLA (9th ed.) Zitazioa
Baldwin, K.D.S. The Niger Agricultural Project: An Experiment in Africa Development. Basil Blackwell, 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.