An introduction to world geography অনুযায়ী Kish, George 1914-1989, Baird, Patrick D., Crary, Douglas D., Davis, Charles Michael 1984-, Dodge, Stanley D. 1987-, Eyre, John D., Hall, Robert B., Jones, Clarence Fielden 1893-1991, Lawton, Graham H., Long, Robert G., Pitts, Forrest R. 1924-2014, Talbot, William J., White, C. Langdon 1897-1989