Dyfyniad APA

Weygandt, J. J. (1999). Accounting principles (5th edition.). New York: John Wiley & Sons.

Dyfyniad Arddull Chicago

Weygandt, Jerry J. Accounting Principles. 5th edition. New York: John Wiley & Sons, 1999.

Dyfyniad MLA

Weygandt, Jerry J. Accounting Principles. 5th edition. New York: John Wiley & Sons, 1999.

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