Dyfyniad APA

Hill, N. (2007). Think and grow Rich Napoleon Hill. Ramala Books.

Dyfyniad Arddull Chicago

Hill, Napoleon. Think and Grow Rich Napoleon Hill. Ramala Books, 2007.

Dyfyniad MLA

Hill, Napoleon. Think and Grow Rich Napoleon Hill. Ramala Books, 2007.

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