एपीए उद्धरण

Erasmus, D. A. (1972). Biology of trematodes. University press.

शिकागो स्टाइल उद्धरण

Erasmus, David A. Biology of Trematodes. Britain: University press, 1972.

एमएलए उद्धरण

Erasmus, David A. Biology of Trematodes. University press, 1972.