Grove, T. (2016). Milestones of flight: From hot-air balloons to SpaceShipOne. Abrams Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGrove, Tim. Milestones of Flight: From Hot-air Balloons to SpaceShipOne. New York: Abrams Books for Young Readers, 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGrove, Tim. Milestones of Flight: From Hot-air Balloons to SpaceShipOne. Abrams Books for Young Readers, 2016.
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