Παραπομπή APA

Rounds, H. D. (1968). Invertibrates. Affiliated East-West Press.

Παραπομπή Chicago Style

Rounds, Harry D. Invertibrates. New Delhi: Affiliated East-West Press, 1968.

Παραπομπή MLA

Rounds, Harry D. Invertibrates. Affiliated East-West Press, 1968.