Birt, I. (2005). Marketing and promoting your business: Products and services. Australia: Pearson Education.
Chicago Stili AlıntıBirt, Ian. Marketing and Promoting Your Business: Products and Services. Australia: Pearson Education, 2005.
MLA AlıntıBirt, Ian. Marketing and Promoting Your Business: Products and Services. Australia: Pearson Education, 2005.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..