Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.