Dyfyniad APA

EUROPA PUBLICATIONS LIMITDE. (1987). The world of learning 1988 (ed.38.). Europa Publications limited.

Dyfyniad Arddull Chicago

EUROPA PUBLICATIONS LIMITDE. The World of Learning 1988. ed.38. London: Europa Publications limited, 1987.

Dyfyniad MLA

EUROPA PUBLICATIONS LIMITDE. The World of Learning 1988. ed.38. Europa Publications limited, 1987.

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