एपीए उद्धरण

Primack, R. (2002). Essentials of conservation biology. Sunderland: Sinauer Associates.

शिकागो स्टाइल उद्धरण

Primack, Richard. Essentials of Conservation Biology. Sunderland: Sinauer Associates, 2002.

एमएलए उद्धरण

Primack, Richard. Essentials of Conservation Biology. Sunderland: Sinauer Associates, 2002.