Não informado. (1901). Bulletin of the American Geographical Society. American Geographical Society.
Chicago-viite (17. p.)Não informado. Bulletin of the American Geographical Society. New York: American Geographical Society, 1901.
MLA-viite (8. p.)Não informado. Bulletin of the American Geographical Society. American Geographical Society, 1901.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.