(1992). Golden Gate Business Association: GGBA ; Directory of Business and Professional Services.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGolden Gate Business Association: GGBA ; Directory of Business and Professional Services. San Francisco, 1992.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGolden Gate Business Association: GGBA ; Directory of Business and Professional Services. 1992.
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