Παραπομπή APA

Green, P. E., & Tull, D. S. (1973). Research for markting decisions (2nd ed.). Prentice Hall.

Παραπομπή Chicago Style

Green, Paul E., και Donald S. Tull. Research for Markting Decisions. 2nd ed. Prentice Hall, 1973.

Παραπομπή MLA

Green, Paul E., και Donald S. Tull. Research for Markting Decisions. 2nd ed. Prentice Hall, 1973.