Arnosky, J. (2000). Beaver pond, moose pond. National Geographic Society.
Cita Chicago Style (17a ed.)Arnosky, Jim. Beaver Pond, Moose Pond. Washington, D.C.: National Geographic Society, 2000.
Cita MLA (8a ed.)Arnosky, Jim. Beaver Pond, Moose Pond. National Geographic Society, 2000.
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