Beckman, D. W. (2013). Marine environmental biology and conservation. Jones & Barlett Learning.
Čikaški stil citiranja (17. izdanje)Beckman, Daniel W. Marine Environmental Biology and Conservation. Burlington, MA: Jones & Barlett Learning, 2013.
MLA način citiranja (9. izdanje)Beckman, Daniel W. Marine Environmental Biology and Conservation. Jones & Barlett Learning, 2013.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.