APA استشهاد

Penrose, J. M. . .., Rasberry,Robert W, & Myers,Robert J. (2000). Advanced business communication (4th ed.). Thomson Learning.

استشهاد بنمط شيكاغو

Penrose, John M ., Rasberry,Robert W, و Myers,Robert J. Advanced Business Communication. 4th ed. Canada: Thomson Learning, 2000.

MLA استشهاد

Penrose, John M ., et al. Advanced Business Communication. 4th ed. Thomson Learning, 2000.