APA-referens

Hood, M. A. (2008). River time ecotravel on the worlds rivers.

Chicago-stil citat

Hood, Mary A. River Time Ecotravel on the Worlds Rivers. Albany, SUNY Press ( State University of New York Press), 2008.

MLA-referens

Hood, Mary A. River Time Ecotravel on the Worlds Rivers. 2008.