APA Citatie

Heiman stephen E, Diane Sanchez, & Tad Tuleja. (2007). New strategic selling. Kogan page.

Chicago Style citaat

Heiman stephen E, Diane Sanchez, en Tad Tuleja. New Strategic Selling. New delhi: Kogan page, 2007.

MLA citatie

Heiman stephen E, et al. New Strategic Selling. Kogan page, 2007.