Dyfyniad APA

Avduyevsky, V. (1986). The earth imperilled. Moscow: Novosti Press Agency Publishing House.

Dyfyniad Arddull Chicago

Avduyevsky, Vsevolod. The Earth Imperilled. Moscow: Novosti Press Agency Publishing House, 1986.

Dyfyniad MLA

Avduyevsky, Vsevolod. The Earth Imperilled. Moscow: Novosti Press Agency Publishing House, 1986.

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