Harbo, C. L. (2011). The ultimate guide to paper airplanes: 35 amazing step-by-step designs! Capstone Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarbo, Christopher L. The Ultimate Guide to Paper Airplanes: 35 Amazing Step-by-step Designs! Mankato, Minn.: Capstone Press, 2011.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHarbo, Christopher L. The Ultimate Guide to Paper Airplanes: 35 Amazing Step-by-step Designs! Capstone Press, 2011.
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