Gaya APA

Bixler, S. (1991). Professional Presence : The Total Program for Gaining That Extra Edge in Business by America's Top Corporate Image Consultant . Amerika: Parigee books.

Gaya MLA

Bixler, Susan. "Professional Presence : The Total Program for Gaining That Extra Edge in Business by America's Top Corporate Image Consultant". Amerika: Parigee books, 1991. Text.