Ries, A. L., & Trout , J. (1994). 22 immutable laws of marketing. Profile Books.
Chicago Edition CitationRies, A. L., and Jack Trout. 22 Immutable Laws of Marketing. London: Profile Books, 1994.
MLA Edition CitationRies, A. L., and Jack Trout. 22 Immutable Laws of Marketing. Profile Books, 1994.
Warning: These citations may not always be 100% accurate.