APA aipamena

Collier, P., & Lal, D. (1992). Why Poor People Get Rich: Kenya 1960-79. Elgar.

Chicago Style aipamena

Collier, P., and D. Lal. Why Poor People Get Rich: Kenya 1960-79. Elgar, 1992.

MLA aipamena

Collier, P., and D. Lal. Why Poor People Get Rich: Kenya 1960-79. Elgar, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.