APA Citation

Asimov, I. (1967). Environments out there. London: Abelard-Schuman.

Trích dẫn kiểu Chicago

Asimov, Isaac. Environments Out There. London: Abelard-Schuman, 1967.

MLA Citation

Asimov, Isaac. Environments Out There. London: Abelard-Schuman, 1967.

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