Coba jelasin Catatan dari Star Wars Episode IV: A New Hope dong

Bailey, T. J. (2005). Devising a Dream: A Book of Star Wars Facts and Production Timeline. Louisville, Ky.: Wasteland Press. ISBN 1-933265-55-8.

Blackman, W. Haden (2004). The New Essential Guide to Weapons and Technology, Revised Edition (Star Wars). New York: Del Rey. ISBN 0-345-44903-7.

Sansweet, Stephen (1992). Star Wars: From Concept to Screen to Collectible''. San Francisco: Chronicle Books. ISBN 0-8118-0101-2.