Signs of the Times magazine. (1989). Successful sign design. Retail Reporting.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSigns of the Times magazine. Successful Sign Design. New York: Retail Reporting, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSigns of the Times magazine. Successful Sign Design. Retail Reporting, 1989.
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