Sverdrup, K., & oyer, L. (1997). An Introduction to the world's oceans: Student study guide. Wm. C. Brown Publishers.
Chicago-viite (17. p.)Sverdrup, Keith, ja Larry oyer. An Introduction to the World's Oceans: Student Study Guide. Dubuque, IA: Wm. C. Brown Publishers, 1997.
MLA-viite (9. p.)Sverdrup, Keith, ja Larry oyer. An Introduction to the World's Oceans: Student Study Guide. Wm. C. Brown Publishers, 1997.
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