APA ציטוט

BECKER, D., & BECKER, P. B. (1994). Powerful presentation skills. Business One Irwin.

Chicago Style (17th ed.) Citation

BECKER, Dennis, and Paula Borkum BECKER. Powerful Presentation Skills. Burr Ridge: Business One Irwin, 1994.

ציטוט MLA

BECKER, Dennis, and Paula Borkum BECKER. Powerful Presentation Skills. Business One Irwin, 1994.