Dyfyniad APA

Kirszner, L. G., & Mandell, S. R. (2005). The wadsworth Handbook. Boston, Massachusetts: Thomson Wadsworth.

Dyfyniad Arddull Chicago

Kirszner, Laurie G., và Stephen R. Mandell. The Wadsworth Handbook. Boston, Massachusetts: Thomson Wadsworth, 2005.

Dyfyniad MLA

Kirszner, Laurie G., và Stephen R. Mandell. The Wadsworth Handbook. Boston, Massachusetts: Thomson Wadsworth, 2005.

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