Richards, A. A. Alien Vision: Exploring the Electromagnetic Spectrum with Imaging Technology. SPIE Digital Library.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRichards, Austin A. Alien Vision: Exploring the Electromagnetic Spectrum with Imaging Technology. SPIE Digital Library.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRichards, Austin A. Alien Vision: Exploring the Electromagnetic Spectrum with Imaging Technology. SPIE Digital Library.
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