M Alexander Gabrielsen & Spears, B. G. B. W. (1960). Aquatics handbook. Prentice-Hall of India.
Čikaški stil citiranjaM Alexander Gabrielsen i Betty Gabrielsen B W. Spears. Aquatics Handbook. New Jersey: Prentice-Hall of India, 1960.
MLA način citiranjaM Alexander Gabrielsen i Betty Gabrielsen B W. Spears. Aquatics Handbook. Prentice-Hall of India, 1960.
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