Wheeler, J. H., & Kostbade, J. T. (1990). World regional geography. Saunders College Pub..
Chicagoスタイル(17版)引用形式Wheeler, Jesse H., , J. Trenton Kostbade. World Regional Geography. Philadelphia: Saunders College Pub., 1990.
MLA(9版)引用形式Wheeler, Jesse H., , J. Trenton Kostbade. World Regional Geography. Saunders College Pub., 1990.
警告: この引用は必ずしも正確ではありません.