Παραπομπή APA

M Alexander Gabrielsen & Spears, B. G. B. W. (1960). Aquatics handbook. Prentice-Hall of India.

Παραπομπή Chicago Style

M Alexander Gabrielsen και Betty Gabrielsen B W. Spears. Aquatics Handbook. New Jersey: Prentice-Hall of India, 1960.

Παραπομπή MLA

M Alexander Gabrielsen και Betty Gabrielsen B W. Spears. Aquatics Handbook. Prentice-Hall of India, 1960.