International African Seminar (2nd : 1960 : Leopolville, Congo), International African Institute, & Biebuyck, D. (1963). African agrarian systems: Studies presented and discussed. Oxford University Press.
Цитирование в стиле Чикаго (17-е изд.)International African Seminar (2nd : 1960 : Leopolville, Congo), International African Institute, и Daniel Biebuyck. African Agrarian Systems: Studies Presented and Discussed. [London]: Oxford University Press, 1963.
Цитирование MLA (9-е изд.)International African Seminar (2nd : 1960 : Leopolville, Congo), et al. African Agrarian Systems: Studies Presented and Discussed. Oxford University Press, 1963.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.