Cita APA

Ries, A. L., & Trout , J. (1994). 22 immutable laws of marketing. Profile Books.

Chicago Edition Citation

Ries, A. L., i Jack Trout. 22 Immutable Laws of Marketing. London: Profile Books, 1994.

Cita MLA

Ries, A. L., i Jack Trout. 22 Immutable Laws of Marketing. Profile Books, 1994.