PRATT TIMOTHY. (2008). SATELLITE COMMUNICATIONS 2ND ED (2ND ED.). JOHN WILEY AND SONS.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPRATT TIMOTHY. SATELLITE COMMUNICATIONS 2ND ED. 2ND ED. NEW DELHI: JOHN WILEY AND SONS, 2008.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPRATT TIMOTHY. SATELLITE COMMUNICATIONS 2ND ED. 2ND ED. JOHN WILEY AND SONS, 2008.
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