APA (7th ed.) Zitazioa

Ries, A., & Trout, J. (1989). Bottom-up marketing. McGraw-Hill.

Chicago Style (17th ed.) Zitazioa

Ries, Al, eta Jack Trout. Bottom-up Marketing. New York: McGraw-Hill, 1989.

MLA (9th ed.) Zitazioa

Ries, Al, eta Jack Trout. Bottom-up Marketing. McGraw-Hill, 1989.