Bharatdwaj, B. (2006). Physical geography: Introduction to earth. Discovery.
シカゴスタイル引用形Bharatdwaj, B. Physical Geography: Introduction to Earth. New Delhi: Discovery, 2006.
MLA引用形式Bharatdwaj, B. Physical Geography: Introduction to Earth. Discovery, 2006.
警告: この引用は必ずしも正確ではありません.