Sinha, J. (1977). Principles of marketing and salesmanship (11th ed.). R, chand &com.
Chicago Style citaatSinha, J.C. Principles of Marketing and Salesmanship. 11th ed. New Delhi: R, chand &com, 1977.
MLA citatieSinha, J.C. Principles of Marketing and Salesmanship. 11th ed. R, chand &com, 1977.
Let op: Deze citaties zijn niet altijd 100% accuraat.