Παραπομπή APA

Buzzell, R. D., & Cox , D. F. (1969). Marketing research and information systems: Text and cases. McGraw Hill Book Company.

Παραπομπή Chicago Style

Buzzell, Robert D., και Donald F. Cox. Marketing Research and Information Systems: Text and Cases. New York: McGraw Hill Book Company, 1969.

Παραπομπή MLA

Buzzell, Robert D., και Donald F. Cox. Marketing Research and Information Systems: Text and Cases. McGraw Hill Book Company, 1969.