1. http://www3.ntu.edu.sg/nbs/sabre/working_papers/24-96.pdf
2. http://www.answers.com/topic/advertising
3. http://benefitof.net/benefits-of-advertising/
4. http://www.businessdictionary.com/definition/promotion-mix.html
5. http://www.businessknowledgesource.com/marketing/requirements_of_good_advertising_026285.html
6. http://download.nos.org/srsec335new/ch17.pdf
7. http://en.wikipedia.org/wiki/Advertising
8. http://kalyan-city.blogspot.in/2010/05/marketing-marketing-mix-4-ps-of.html
9. http://www.kinhdoanh.edu.vn/files.php?force&file=resource/BA_Financial_Management_and_Accounting/Business-Management-and-Marketing/319-22.pdf
10. http://www.publishyourarticles.net/knowledge-hub/business-studies/advertising.html
11. http://www.publishyourarticles.net/knowledge-hub/business-studies/promotion-mix.html
12. http://www.mademan.com/mm/10-benefits-advertising.html