Lewis, G. E. (1992). Communication services via satellite: A handbook for design, installation, and services engineers (2nd ed.). Butterworth Heinemann.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিLewis, Geoffrey E. Communication Services via Satellite: A Handbook for Design, Installation, and Services Engineers. 2nd ed. Oxford: Butterworth Heinemann, 1992.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিLewis, Geoffrey E. Communication Services via Satellite: A Handbook for Design, Installation, and Services Engineers. 2nd ed. Butterworth Heinemann, 1992.
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