APA-ийн эшлэл(7 дахь хэвлэлт)

Beckford, G. L. (1983). Persistent poverty: Underdevelopment in plantation economies of the third world. Zed Pr..

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Beckford, George L. Persistent Poverty: Underdevelopment in Plantation Economies of the Third World. London: Zed Pr., 1983.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Beckford, George L. Persistent Poverty: Underdevelopment in Plantation Economies of the Third World. Zed Pr., 1983.