Birn,Robin J. (2003). Handbook of international market research techniques (2nd ed.). Kogan.
Chicago Style citaatBirn,Robin J. Handbook of International Market Research Techniques. 2nd ed. New Delhi: Kogan, 2003.
MLA citatieBirn,Robin J. Handbook of International Market Research Techniques. 2nd ed. Kogan, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.