Michael, A. (2003). Marketing through search optimization: How to be found on the web. Elsevier: Amsterdam.
Čikaški stil citiranjaMichael, Alex. Marketing Through Search Optimization: How to Be Found On the Web. Elsevier: Amsterdam, 2003.
MLA način citiranjaMichael, Alex. Marketing Through Search Optimization: How to Be Found On the Web. Elsevier: Amsterdam, 2003.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.