Van Loon, H. W. (1932). Van Loon's geography: The study of the world we live in. Simon and Schuster.
Chicagoスタイル(17版)引用形式Van Loon, Hendrick Willem. Van Loon's Geography: The Study of the World We Live in. New York: Simon and Schuster, 1932.
MLA(9版)引用形式Van Loon, Hendrick Willem. Van Loon's Geography: The Study of the World We Live in. Simon and Schuster, 1932.
警告: この引用は必ずしも正確ではありません.