Qayum, A. (1967). Numerical models of economic development. Rotterdam University Press.
Цитирование в стиле Чикаго (17-е изд.)Qayum, Abdul. Numerical Models of Economic Development. Rotterdam: Rotterdam University Press, 1967.
Цитирование MLA (9-е изд.)Qayum, Abdul. Numerical Models of Economic Development. Rotterdam University Press, 1967.