GETIS, A. (2017). Introduction to geography. New Age International Publishers.
Chicagoスタイル(17版)引用形式GETIS, Arthur. Introduction to Geography. New Age International Publishers, 2017.
MLA(9版)引用形式GETIS, Arthur. Introduction to Geography. New Age International Publishers, 2017.
警告: この引用は必ずしも正確ではありません.