Flight 33 Productions (Firm), History Channel (Television network), Arts and Entertainment Network, Cohen, D. J., & Thompson, E. (2008). The universe: Biggest things in space, gravity, cosmic apocalypse, backyard astronomers. A&E Television Networks : Distributed by New Video.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रFlight 33 Productions (Firm), History Channel (Television network), Arts and Entertainment Network, Douglas J. Cohen, और Erik Thompson. The Universe: Biggest Things in Space, Gravity, Cosmic Apocalypse, Backyard Astronomers. [New York, NY]: A&E Television Networks : Distributed by New Video, 2008.
एमएलए (8वां संस्करण) प्रशस्ति पत्रFlight 33 Productions (Firm), et al. The Universe: Biggest Things in Space, Gravity, Cosmic Apocalypse, Backyard Astronomers. A&E Television Networks : Distributed by New Video, 2008.