Haas,Robert W. (1992). Business marketing management: An Organizational approach. Boston: PWS-Kent.
Chicago Stili AlıntıHaas,Robert W. Business Marketing Management: An Organizational Approach. Boston: PWS-Kent, 1992.
MLA AlıntıHaas,Robert W. Business Marketing Management: An Organizational Approach. Boston: PWS-Kent, 1992.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..