NTC BUSINESS BOOKS. (1987). ART OF WRITING ADVERTISING. NTC BUSINESS BOOKS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNTC BUSINESS BOOKS. ART OF WRITING ADVERTISING. ILLINOIS: NTC BUSINESS BOOKS, 1987.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNTC BUSINESS BOOKS. ART OF WRITING ADVERTISING. NTC BUSINESS BOOKS, 1987.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.