Vondra, C. F. (1981). Hominid sites: Their geologic settings. Westview Pr. for The American Association for the Advancement of Science.
Citazione stile Chigago Style (17a edizione)Vondra, Carl F. Hominid Sites: Their Geologic Settings. Boulder, Colo.: Westview Pr. for The American Association for the Advancement of Science, 1981.
Citatione MLA (9a ed.)Vondra, Carl F. Hominid Sites: Their Geologic Settings. Westview Pr. for The American Association for the Advancement of Science, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.