Tohutoro APA (7th ed.)

Boland, R. G. A. (1993). General environmental management. Sterling publishers Private Limited.

Tohutoru Kātū Chicago (17th ed.)

Boland, R. G. A. General Environmental Management. New Delhi: Sterling publishers Private Limited, 1993.

Tohutoro MLA (9th ed.)

Boland, R. G. A. General Environmental Management. Sterling publishers Private Limited, 1993.