http://dictionary.reference.com/browse/algorithm?qsrc=2888

Google, (n.d.) Retrieved Febuary 4, 2009, from

http://www.google.com/support/webmasters/bin/answer.py?hl=en&answer=35769#1

Relevancy (n.d.). Retrieved Febuary 4, 2009, from

http://dictionary.reference.com/browse/relevancy

Wikipedia, (2009), Search Engine Optimization,

Retrieved Febuary 4, 2009, from

http://en.wikipedia.org/wiki/Search_engine_optimization

Baldauf K., & Stair R., (2008) Succeeding with Technology. 

(3^rd ed.). Boston: Massachusetts. 

Jones, G., & George, J., (2008). Contemporary Management 

(5^th ed.). New York: NY. 

Kotler, P., & Keller, K., (2009). Marketing Management 

(13^th ed.) New Jersey: Prentice Hall. 

Nickels W., McHugh J., & McHugh S., (2008).Understanding

Business (8^th ed.). New York: NY.

Perreault, W. Cannon, J., & McCarthy, J., (2008). Basic Marketing

(16^th ed.) New York: McGraw-Hill.