APA استشهاد

Cole, R. H. (1992). Consumer and commercial credit management/9e (9th ed.). Irwin.

استشهاد بنمط شيكاغو

Cole, Robert H. Consumer and Commercial Credit Management/9e. 9th ed. Homewood: Irwin, 1992.

MLA استشهاد

Cole, Robert H. Consumer and Commercial Credit Management/9e. 9th ed. Irwin, 1992.