Kopera, P. Components for Fiber Optic Applications III and Coherent Lightwave Communications. SPIE Digital Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKopera, Paul. Components for Fiber Optic Applications III and Coherent Lightwave Communications. SPIE Digital Library.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKopera, Paul. Components for Fiber Optic Applications III and Coherent Lightwave Communications. SPIE Digital Library.
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