APA (7th ed.) Zitazioa
Koch, P., & Price, J. C. (2007). Exploring the Big Bend Country. University of Texas Press.
Chicago Style (17th ed.) Zitazioa
Koch, Peter, eta June Cooper Price. Exploring the Big Bend Country. Austin: University of Texas Press, 2007.
MLA (9th ed.) Zitazioa
Koch, Peter, eta June Cooper Price. Exploring the Big Bend Country. University of Texas Press, 2007.
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