Asthana, D. K. (2005). Environment: Problems and solutions (2nd ed.). S. Chand & Co.
シカゴスタイル引用形Asthana, D. K. Environment: Problems and Solutions. 2nd ed. New Delhi: S. Chand & Co, 2005.
MLA引用形式Asthana, D. K. Environment: Problems and Solutions. 2nd ed. S. Chand & Co, 2005.
警告: この引用は必ずしも正確ではありません.