APA (7 वां संस्करण) प्रशस्ति पत्र

Não informado. (1967). MSU business topics. Michigan State University, Bureau of Business and Economic Research.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Não informado. MSU Business Topics. East Lansing, Mich: Michigan State University, Bureau of Business and Economic Research, 1967.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Não informado. MSU Business Topics. Michigan State University, Bureau of Business and Economic Research, 1967.

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