APA (7 वां संस्करण) प्रशस्ति पत्र

Singh, D. (1974). Investment policy and performance of U.S. subsidiaries in India. Sterling Pubs.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Singh, D.R. Investment Policy and Performance of U.S. Subsidiaries in India. Sterling Pubs, 1974.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Singh, D.R. Investment Policy and Performance of U.S. Subsidiaries in India. Sterling Pubs, 1974.

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