Cowhey, P. F., & Richards, J. E. (2002). Deregulating and Liberalizing the North-American Telecommunications Market: Explaining the US-Approach.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCowhey, Peter F., और John E. Richards. Deregulating and Liberalizing the North-American Telecommunications Market: Explaining the US-Approach. Hamburg, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCowhey, Peter F., और John E. Richards. Deregulating and Liberalizing the North-American Telecommunications Market: Explaining the US-Approach. 2002.
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