APA Citation

(1969). Cowles encyclopedia of science, industry, and technology. New York: Cowles Book Co.

Trích dẫn kiểu Chicago

Cowles Encyclopedia of Science, Industry, and Technology. New York: Cowles Book Co, 1969.

MLA Citation

Cowles Encyclopedia of Science, Industry, and Technology. New York: Cowles Book Co, 1969.

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