एपीए उद्धरण

Roff, J., & Zacharias, M. (2011). Marine conservation ecology. Earthscan.

शिकागो स्टाइल उद्धरण

Roff, John, और Mark Zacharias. Marine Conservation Ecology. London: Earthscan, 2011.

एमएलए उद्धरण

Roff, John, और Mark Zacharias. Marine Conservation Ecology. Earthscan, 2011.