एपीए उद्धरण

Postlethwait, J. H., & John H. Postlethwait; Janet L. Hopson. (2003). Explore life. United State: Thompson Learning.

शिकागो स्टाइल उद्धरण

Postlethwait, John H., और John H. Postlethwait; Janet L. Hopson. Explore Life. United State: Thompson Learning, 2003.

एमएलए उद्धरण

Postlethwait, John H., और John H. Postlethwait; Janet L. Hopson. Explore Life. United State: Thompson Learning, 2003.