Lehman, C. M., & DuFrene, D. D. 1. (1999). Business communication (12 edition.). CinCinnati: South-Western College.
Chicago Style CitationLehman, Carol M., and Deborah Daniel( 1954-) DuFrene. Business Communication. 12 edition. CinCinnati: South-Western College, 1999.
MLA CitationLehman, Carol M., and Deborah Daniel( 1954-) DuFrene. Business Communication. 12 edition. CinCinnati: South-Western College, 1999.
Warning: These citations may not always be 100% accurate.