Gaya APA

Duxbury, A, C., Duxbury, A, B. (1989). An introduction to the world's oceans (Ed. 3). : Wm. C. Brown.

Gaya MLA

Duxbury, Alyn, C.., Duxbury, Alison, B.. "An introduction to the world's oceans". Ed. 3 : Wm. C. Brown, 1989. Text.