APA Citation

Bernal, J. D. (1969). Science in history. Autralia: Penguin Books.

Trích dẫn kiểu Chicago

Bernal, J. D. Science in History. Autralia: Penguin Books, 1969.

MLA Citation

Bernal, J. D. Science in History. Autralia: Penguin Books, 1969.

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