Dyfyniad APA

Hill, N. (1960). Think and grow rich. Ballantine books.

Dyfyniad Arddull Chicago

Hill, Napoleon. Think and Grow Rich. New york: Ballantine books, 1960.

Dyfyniad MLA

Hill, Napoleon. Think and Grow Rich. Ballantine books, 1960.

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