एपीए उद्धरण

Volpe,E Peter. (1985). Understanding Evolution (5.). Universal Book stall.

शिकागो स्टाइल उद्धरण

Volpe,E Peter. Understanding Evolution. 5. New Delhi: Universal Book stall, 1985.

एमएलए उद्धरण

Volpe,E Peter. Understanding Evolution. 5. Universal Book stall, 1985.