Dyfyniad APA

Zabel, W. D. (1995). The rich die richer and you can too. John Wiley & Sons.

Dyfyniad Arddull Chicago

Zabel, William D. The Rich Die Richer and You Can Too. New York: John Wiley & Sons, 1995.

Dyfyniad MLA

Zabel, William D. The Rich Die Richer and You Can Too. John Wiley & Sons, 1995.

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