APA-viite (7. p.)
Becker, D., & Becker, P. B. (1993). Speaking skills for business careers. Irwin Mirror Press.
Chicago-viite (17. p.)
Becker, Dennis, ja Paula Borkum Becker. Speaking Skills for Business Careers. Homewood, IL: Irwin Mirror Press, 1993.
MLA-viite (9. p.)
Becker, Dennis, ja Paula Borkum Becker. Speaking Skills for Business Careers. Irwin Mirror Press, 1993.
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