Kranz, G., & Campbell, D. (2011). Failure is not an option: Mission control from mercury to apollo 13 and beyond (Unabridged.). Tantor Media.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKranz, Gene, और Danny Campbell. Failure Is Not an Option: Mission Control from Mercury to Apollo 13 and Beyond. Unabridged. Old Saybrook: Tantor Media, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKranz, Gene, और Danny Campbell. Failure Is Not an Option: Mission Control from Mercury to Apollo 13 and Beyond. Unabridged. Tantor Media, 2011.
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