APA (7th ed.) Zitazioa

Boland, R. G. A. (1986). Environmental management. Sterling publishers Private Limited.

Chicago Style (17th ed.) Zitazioa

Boland, R. G. A. Environmental Management. New Delhi: Sterling publishers Private Limited, 1986.

MLA (9th ed.) Zitazioa

Boland, R. G. A. Environmental Management. Sterling publishers Private Limited, 1986.