Verma C.L. (2013). Research in Physical Geography and Earth Science. Swastik Publications.
シカゴスタイル引用形Verma C.L. Research in Physical Geography and Earth Science. New Delhi: Swastik Publications, 2013.
MLA引用形式Verma C.L. Research in Physical Geography and Earth Science. Swastik Publications, 2013.
警告: この引用は必ずしも正確ではありません.