Citazione Stile APA (7a Edizione)
ebrary, Inc. (2003). Proven tactics in viral marketing: Online games, quizzes, eCards, contests & "buzz" building. MarketingSherpa, Inc..
Citazione stile Chigago Style (17a edizione)
ebrary, Inc. Proven Tactics in Viral Marketing: Online Games, Quizzes, ECards, Contests & "Buzz" Building. Portsmouth, R.I.: MarketingSherpa, Inc., 2003.
Citatione MLA (9a ed.)
ebrary, Inc. Proven Tactics in Viral Marketing: Online Games, Quizzes, ECards, Contests & "Buzz" Building. MarketingSherpa, Inc., 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.