Style de citation APA (7e éd.)

Becker, D., & Becker, P. B. (1993). Speaking skills for business careers. McGraw-Hill.

Style de citation Chicago (17e éd.)

Becker, Dennis, et Paula Borkum Becker. Speaking Skills for Business Careers. New York: McGraw-Hill, 1993.

Style de citation MLA (9e éd.)

Becker, Dennis, et Paula Borkum Becker. Speaking Skills for Business Careers. McGraw-Hill, 1993.