WAGHORN TERRY. (2002). SYSTEM: STORY OF INTRIGUE AND MARKET DOMINATION. PERSEUS PUBLICATIONS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWAGHORN TERRY. SYSTEM: STORY OF INTRIGUE AND MARKET DOMINATION. CAMBRIDGE: PERSEUS PUBLICATIONS, 2002.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWAGHORN TERRY. SYSTEM: STORY OF INTRIGUE AND MARKET DOMINATION. PERSEUS PUBLICATIONS, 2002.
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