Citations de notices

Style de citation APA (7e éd.)
ebrary, Inc, Gutzman, A. D., Muller, A., Pfledderer, D., & Gibbons, T. (2002). Buyers' guide to search engine optimization firms: Who should you hire? how much should you pay? (2nd ed.). MarketingSherpa.
Style de citation Chicago (17e éd.)
ebrary, Inc, Alexis D. Gutzman, Anthony Muller, Donna Pfledderer, et Tim Gibbons. Buyers' Guide to Search Engine Optimization Firms: Who Should You Hire? How Much Should You Pay? 2nd ed. Portsmouth, R.I.: MarketingSherpa, 2002.
Style de citation MLA (9e éd.)
ebrary, Inc, et al. Buyers' Guide to Search Engine Optimization Firms: Who Should You Hire? How Much Should You Pay? 2nd ed. MarketingSherpa, 2002.
Attention : ces citations peuvent ne pas être correctes à 100%.