APA (7 ম সংস্করণ) উদ্ধৃতি

Harf, J. E., & Harf, J. E. (1986). The Politics of global resources: Population, food, energy and environment. Duke University Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Harf, James E., এবং James E.;Trout Harf. The Politics of Global Resources: Population, Food, Energy and Environment. Duke University Press, 1986.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Harf, James E., এবং James E.;Trout Harf. The Politics of Global Resources: Population, Food, Energy and Environment. Duke University Press, 1986.