Headland, T. N. (1986). Why foragers do not become farmers: A historical study of changing ecosystem and its effect on a Negrito hunter-gatherer group in the Philippines. UMI Dissertation Services.
Style de citation Chicago (17e éd.)Headland, Thomas N. Why Foragers Do Not Become Farmers: A Historical Study of Changing Ecosystem and Its Effect on a Negrito Hunter-gatherer Group in the Philippines. Ann Arbor, Mich: UMI Dissertation Services, 1986.
Style de citation MLA (9e éd.)Headland, Thomas N. Why Foragers Do Not Become Farmers: A Historical Study of Changing Ecosystem and Its Effect on a Negrito Hunter-gatherer Group in the Philippines. UMI Dissertation Services, 1986.
Attention : ces citations peuvent ne pas être correctes à 100%.