Read, J. A. (2021). 50 space missions that changed the world. Formac Publishing Company Limited.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRead, John A. 50 Space Missions That Changed the World. Halifax: Formac Publishing Company Limited, 2021.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRead, John A. 50 Space Missions That Changed the World. Formac Publishing Company Limited, 2021.
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