Παραπομπή σε μορφή APA (7η εκδ.)

Wright, G. A. (1969). Obsidian analyses and prehistoric Near Eastern trade: 7500 to 3500 B. C. University of Michigan.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Wright, Gary A. Obsidian Analyses and Prehistoric Near Eastern Trade: 7500 to 3500 B. C. Ann Arbor: University of Michigan, 1969.

Παραπομπή σε μορφή MLA (9th εκδ.)

Wright, Gary A. Obsidian Analyses and Prehistoric Near Eastern Trade: 7500 to 3500 B. C. University of Michigan, 1969.