एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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