APA Citatie

Marcus, B. W. (1992). Competing for clients in the 90's. Mc-Graw Hill Book Company.

Chicago Style citaat

Marcus, Bruce W. Competing for Clients in the 90's. London: Mc-Graw Hill Book Company, 1992.

MLA citatie

Marcus, Bruce W. Competing for Clients in the 90's. Mc-Graw Hill Book Company, 1992.