(1973). Pollution and international boundaries: United States-Mexican environmental problems (Reprint.). University of New Mexico Press.
Chicago-Zitierstil (17. Ausg.)Pollution and International Boundaries: United States-Mexican Environmental Problems. Reprint. Albuquerque: University of New Mexico Press, 1973.
MLA-Zitierstil (9. Ausg.)Pollution and International Boundaries: United States-Mexican Environmental Problems. Reprint. University of New Mexico Press, 1973.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.