Cita APA (7a ed.)
Lehmann, D. R. (1989). Market research and analysis (3rd ed.). Irwin.
Cita Chicago Style (17a ed.)
Lehmann, Donald R. Market Research and Analysis. 3rd ed. Homewood, IL.: Irwin, 1989.
Cita MLA (9a ed.)
Lehmann, Donald R. Market Research and Analysis. 3rd ed. Irwin, 1989.
Precaución: Estas citas no son 100% exactas.