Beri, G. (2005). Marketing Research. Tata Mc Graw -Hill Publishing Company Limited.
Chicago Style citaatBeri, G.C. Marketing Research. New Delhi: Tata Mc Graw -Hill Publishing Company Limited, 2005.
MLA citatieBeri, G.C. Marketing Research. Tata Mc Graw -Hill Publishing Company Limited, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.