Dyfyniad APA

(1965). The Doubleday picturial library of growth of ideas knowledge thought imagination. Doubleday r Company.

Dyfyniad Arddull Chicago

The Doubleday Picturial Library of Growth of Ideas Knowledge Thought Imagination. Doubleday r Company, 1965.

Dyfyniad MLA

The Doubleday Picturial Library of Growth of Ideas Knowledge Thought Imagination. Doubleday r Company, 1965.

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