APA استشهاد

Hutt, M. D. . .., & Speh,Thomas W. (2007). Business marketing management: B2B (9.). Cengage Learning.

استشهاد بنمط شيكاغو

Hutt, Michael D ., و Speh,Thomas W. Business Marketing Management: B2B. 9. Australia: Cengage Learning, 2007.

MLA استشهاد

Hutt, Michael D ., و Speh,Thomas W. Business Marketing Management: B2B. 9. Cengage Learning, 2007.