Greenland, D. (1977). The earth in profile: A physical geography. Confield.
Tohutoru Kātū Chicago (17th ed.)Greenland, David. The Earth in Profile: A Physical Geography. San Francisco: Confield, 1977.
Tohutoro MLA (9th ed.)Greenland, David. The Earth in Profile: A Physical Geography. Confield, 1977.
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