Earle, S. A. (2014). Blue hope: Exploring and caring for earth's magnificent ocean. National Geographic.
Chicago Style (17. basım) AtıfEarle, Sylvia A. Blue Hope: Exploring and Caring for Earth's Magnificent Ocean. Washington, D.C: National Geographic, 2014.
MLA (9th ed.) AtıfEarle, Sylvia A. Blue Hope: Exploring and Caring for Earth's Magnificent Ocean. National Geographic, 2014.
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