Koepcke, M. 1., & Fisk, E. J. (1970). The birds of the department of Lima, Perú (Revised and enlarged.). Wynnewood, Pennsylvania: Livingston Publishing Company.
Citación estilo ChicagoKoepcke, Maria 1924-1971, y Erma J. Fisk. The Birds of the Department of Lima, Perú. Revised and enlarged. Wynnewood, Pennsylvania: Livingston Publishing Company, 1970.
Cita MLAKoepcke, Maria 1924-1971, y Erma J. Fisk. The Birds of the Department of Lima, Perú. Revised and enlarged. Wynnewood, Pennsylvania: Livingston Publishing Company, 1970.
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