Ravindra Kumar. (1985). Fundamentals of historical geology and stratigraphy of India. Wiley Eastern.
シカゴスタイル引用形Ravindra Kumar. Fundamentals of Historical Geology and Stratigraphy of India. New Delhi: Wiley Eastern, 1985.
MLA引用形式Ravindra Kumar. Fundamentals of Historical Geology and Stratigraphy of India. Wiley Eastern, 1985.
警告: この引用は必ずしも正確ではありません.