Dyfyniad APA

Tinbergen, N. (1953). Social behaviour in animals. London: Chapman and Hall Ltd.

Dyfyniad Arddull Chicago

Tinbergen, N. Social Behaviour in Animals. London: Chapman and Hall Ltd, 1953.

Dyfyniad MLA

Tinbergen, N. Social Behaviour in Animals. London: Chapman and Hall Ltd, 1953.

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