Van Loon, H. W. (1932). Van Loon's Geography: The story of the world we live in. New York: Simon and Schuster.
Παραπομπή Chicago StyleVan Loon, Hendrik Willem. Van Loon's Geography: The Story of the World We Live in. New York: Simon and Schuster, 1932.
MLA引文Van Loon, Hendrik Willem. Van Loon's Geography: The Story of the World We Live in. New York: Simon and Schuster, 1932.
警告：这些引文格式不一定是100％准确.