Sales, G. (1974). Ultrasonic communication by animals. Chapman and Hall.
Cita Chicago (17th ed.)Sales, Gillian. Ultrasonic Communication by Animals. London: Chapman and Hall, 1974.
Cita MLA (9th ed.)Sales, Gillian. Ultrasonic Communication by Animals. Chapman and Hall, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.