APA (7th ed.) Zitazioa
Sullivan, L., & Bennett, S. (2012). Hey, Whipple, squeeze this!: The classic guide to creating great advertising (4th ed.). Wiley.
Chicago Style (17th ed.) Zitazioa
Sullivan, Luke, eta Sam Bennett. Hey, Whipple, Squeeze This!: The Classic Guide to Creating Great Advertising. 4th ed. Hoboken, N.J.: Wiley, 2012.
MLA (9th ed.) Zitazioa
Sullivan, Luke, eta Sam Bennett. Hey, Whipple, Squeeze This!: The Classic Guide to Creating Great Advertising. 4th ed. Wiley, 2012.
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