Dyfyniad APA

Richardson. (1993). Business ethics 93/94 (5th ed.). Dushkin.

Dyfyniad Arddull Chicago

Richardson. Business Ethics 93/94. 5th ed. Connecticut: Dushkin, 1993.

Dyfyniad MLA

Richardson. Business Ethics 93/94. 5th ed. Dushkin, 1993.

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