Boland, R. G. A. (1986). Environmental management. Sterling publishers Private Limited.
Chicagoスタイル(17版)引用形式Boland, R. G. A. Environmental Management. New Delhi: Sterling publishers Private Limited, 1986.
MLA(9版)引用形式Boland, R. G. A. Environmental Management. Sterling publishers Private Limited, 1986.
警告: この引用は必ずしも正確ではありません.