Haas, R. (1976). Industrial marketing management (4a ed.). Pws-Kent Publishing Company.
Cita Chicago Style (17a ed.)Haas, Robert. Industrial Marketing Management. 4a ed. Boston: Pws-Kent Publishing Company, 1976.
Cita MLA (9a ed.)Haas, Robert. Industrial Marketing Management. 4a ed. Pws-Kent Publishing Company, 1976.
Precaución: Estas citas no son 100% exactas.