Styl cytowania APA

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

Styl cytowania Chicago

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

Styl cytowania MLA

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