Thomas, B. E. (1960). Transportation and physical geography in West Africa: Prepared for the Human Environments in Central Africa Project. National Academy of Sciences. National Research Council. Division of Anthropology and Psychology. Univ. of California, Dep. of Geography.
Chicago-Zitierstil (17. Ausg.)Thomas, Benjamin E. Transportation and Physical Geography in West Africa: Prepared for the Human Environments in Central Africa Project. National Academy of Sciences. National Research Council. Division of Anthropology and Psychology. Los Angeles (Calif.): Univ. of California, Dep. of Geography, 1960.
MLA-Zitierstil (9. Ausg.)Thomas, Benjamin E. Transportation and Physical Geography in West Africa: Prepared for the Human Environments in Central Africa Project. National Academy of Sciences. National Research Council. Division of Anthropology and Psychology. Univ. of California, Dep. of Geography, 1960.