Ries A I & Trout, J. (1993). Twenty two immutable laws of marketing.
Chicago Edition CitationRies A I and Jack Trout. Twenty Two Immutable Laws of Marketing. :, 1993.
MLA citiranjeRies A I and Jack Trout. Twenty Two Immutable Laws of Marketing. 1993.
Opozorilo: Ti citati niso vedno 100% točni.