Harf, J. E., & Harf, J. E. (1986). The Politics of global resources: Population, food, energy and environment. Duke University Press.
Цитирование в стиле Чикаго (17-е изд.)Harf, James E., и James E.;Trout Harf. The Politics of Global Resources: Population, Food, Energy and Environment. Duke University Press, 1986.
Цитирование MLA (9-е изд.)Harf, James E., и James E.;Trout Harf. The Politics of Global Resources: Population, Food, Energy and Environment. Duke University Press, 1986.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.