APA aipamena

Lipton, M. (1982). Why poor people stay poor. Heritage Publishers.

Chicago Style aipamena

Lipton, Michael. Why Poor People Stay Poor. New Delhi: Heritage Publishers, 1982.

MLA aipamena

Lipton, Michael. Why Poor People Stay Poor. Heritage Publishers, 1982.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.