Boland, R. G. A. (1993). General environmental management. Sterling publishers Private Limited.
Chicagoスタイル(17版)引用形式Boland, R. G. A. General Environmental Management. New Delhi: Sterling publishers Private Limited, 1993.
MLA(9版)引用形式Boland, R. G. A. General Environmental Management. Sterling publishers Private Limited, 1993.
警告: この引用は必ずしも正確ではありません.