Wetmore, A. (1965). Water, prey, and game birds of North América. Washington, D.C.: National Geographic Society.
Citación estilo ChicagoWetmore, Alexander. Water, Prey, and Game Birds of North América. Washington, D.C.: National Geographic Society, 1965.
Cita MLAWetmore, Alexander. Water, Prey, and Game Birds of North América. Washington, D.C.: National Geographic Society, 1965.
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