Savage, J. M., & Heyer, W. R. (1968). The tree-frogs (Family Hylidae) of Costa Rica: Diagnosis and distribution.
Čikaški stil citiranjaSavage, Jay M., i W. Ronald Heyer. The Tree-frogs (Family Hylidae) of Costa Rica: Diagnosis and Distribution. 1968.
MLA način citiranjaSavage, Jay M., i W. Ronald Heyer. The Tree-frogs (Family Hylidae) of Costa Rica: Diagnosis and Distribution. 1968.
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