APA(7版)引用形式
Duggal, K. N. (2002). Elements of environmental engineering (6th ed.). S. Chand.
Chicagoスタイル(17版)引用形式
Duggal, K. N. Elements of Environmental Engineering. 6th ed. New Delhi: S. Chand, 2002.
MLA(9版)引用形式
Duggal, K. N. Elements of Environmental Engineering. 6th ed. S. Chand, 2002.
警告: この引用は必ずしも正確ではありません.