David Pye & Gillian Sales. (1974). Ultrasonic Communication by Animals (1.). Chapman and Hall.
Čikaški stil citiranjaDavid Pye i Gillian Sales. Ultrasonic Communication by Animals. 1. Chapman and Hall, 1974.
MLA način citiranjaDavid Pye i Gillian Sales. Ultrasonic Communication by Animals. 1. Chapman and Hall, 1974.
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