HAMEROFF E J. (1998). ADVERTISING AGENCY BUSINESS (3RD.). NTC BUSINESS BOOKS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHAMEROFF E J. ADVERTISING AGENCY BUSINESS. 3RD. USA: NTC BUSINESS BOOKS, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHAMEROFF E J. ADVERTISING AGENCY BUSINESS. 3RD. NTC BUSINESS BOOKS, 1998.
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