(1) Original location shoot call sheets and daily production progress reports.

(2) Lucas, George. The Adventures of Luke Starkiller as taken from the “Journal of the Whills” (Saga I) Star Wars.

(3) Rinzler, J. W. The Making of Star Wars: The Definitive Story Behind the Original Film. (Del Rey, 2007). 

(4) Hearn, Marcus. The Cinema of George Lucas. (Abrams Books, 2005).