Trích dẫn APA

Study Group of The South African Institute of International. (1951). afica south of the sahara: An assessment of human and material resourees ed by Anne Welsh.

Trích dẫn kiểu Chicago

Study Group of The South African Institute of International. Afica South of the Sahara: An Assessment of Human and Material Resourees Ed by Anne Welsh. 1951.

Trích dẫn MLA

Study Group of The South African Institute of International. Afica South of the Sahara: An Assessment of Human and Material Resourees Ed by Anne Welsh. 1951.

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