Cita APA (7th ed.)
Birn, R. (2004). The effective use of market research: How to drive and focus better business decisions (4th ed.). Kogan Page.
Cita Chicago (17th ed.)
Birn, Robin. The Effective Use of Market Research: How to Drive and Focus Better Business Decisions. 4th ed. London ; Sterling, VA: Kogan Page, 2004.
Cita MLA (9th ed.)
Birn, Robin. The Effective Use of Market Research: How to Drive and Focus Better Business Decisions. 4th ed. Kogan Page, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.