Trích dẫn APA

Caldwell, J. C. (1976). The socio-economic explanation of high fertility: Papers on the Yoruba Society of Nigeria. Dept. of Demography, Australian National University.

Trích dẫn kiểu Chicago

Caldwell, John C. The Socio-economic Explanation of High Fertility: Papers on the Yoruba Society of Nigeria. Canberra: Dept. of Demography, Australian National University, 1976.

Trích dẫn MLA

Caldwell, John C. The Socio-economic Explanation of High Fertility: Papers on the Yoruba Society of Nigeria. Dept. of Demography, Australian National University, 1976.

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