Lua APA (7ú heag.)
Birn, R. (2004). The effective use of market research: How to drive and focus better business decisions (4th ed.). Kogan Page.
Lua i Stíl Chicago (17ú heag.)
Birn, Robin. The Effective Use of Market Research: How to Drive and Focus Better Business Decisions. 4th ed. London ; Sterling, VA: Kogan Page, 2004.
Lua MLA (9ú heag.)
Birn, Robin. The Effective Use of Market Research: How to Drive and Focus Better Business Decisions. 4th ed. Kogan Page, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.