Παραπομπή σε μορφή APA (7η εκδ.)

Barham, B., Bunker, S. G., & O'Hearn, D. (1994). States, firms and raw materials: The world economy and ecology of aluminum. University of Wisconsin Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Barham, Brad, Stephen G. Bunker, και Denis O'Hearn. States, Firms and Raw Materials: The World Economy and Ecology of Aluminum. London: University of Wisconsin Press, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Barham, Brad, et al. States, Firms and Raw Materials: The World Economy and Ecology of Aluminum. University of Wisconsin Press, 1994.