Marcus, B. W. (1992). Competing for clients in the 90's. Mc Graw Hill.
Čikaški stil citiranjaMarcus, Bruce W. Competing for Clients in the 90's. London: Mc Graw Hill, 1992.
MLA način citiranjaMarcus, Bruce W. Competing for Clients in the 90's. Mc Graw Hill, 1992.
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