Dyfyniad APA

Beaulieu, J. (2008). Morningstar stocks 500: Annual sourcebook. Chicago, Ill: Morningstar, Inc.

Dyfyniad Arddull Chicago

Beaulieu, Joseph. Morningstar Stocks 500: Annual Sourcebook. Chicago, Ill: Morningstar, Inc, 2008.

Dyfyniad MLA

Beaulieu, Joseph. Morningstar Stocks 500: Annual Sourcebook. Chicago, Ill: Morningstar, Inc, 2008.

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