Rhatigan, J., & Owsley, A. (2015). Inventions that could have changed the world ... but didn't! Imagine Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRhatigan, Joe, और Anthony Owsley. Inventions That Could Have Changed the World ... but Didn't! Watertown, MA: Imagine Publishing, 2015.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRhatigan, Joe, और Anthony Owsley. Inventions That Could Have Changed the World ... but Didn't! Imagine Publishing, 2015.
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