Deismireacht APA

Cheronis, N. D. The study of the physical world. [Boston],1958: Houghton Mifflin.

Trích dẫn kiểu Chicago

Cheronis, Nicholas D. The Study of the Physical World. [Boston],1958: Houghton Mifflin.

Deismireacht MLA

Cheronis, Nicholas D. The Study of the Physical World. [Boston],1958: Houghton Mifflin.

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