Doolittle, W. E. (1988). Pre-Hispanic occupance in the Valley of Sonora, Mexico: Archaeolog. confirmation of early Spanish reports. Univ. of Arizona Press.
Chicago-Zitierstil (17. Ausg.)Doolittle, William E. Pre-Hispanic Occupance in the Valley of Sonora, Mexico: Archaeolog. Confirmation of Early Spanish Reports. Tucson: Univ. of Arizona Press, 1988.
MLA-Zitierstil (9. Ausg.)Doolittle, William E. Pre-Hispanic Occupance in the Valley of Sonora, Mexico: Archaeolog. Confirmation of Early Spanish Reports. Univ. of Arizona Press, 1988.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.