APA استشهاد

Hempel, L. C. (1998). Environmental governance: The globel challenge. Affiliated East-West Press.

استشهاد بنمط شيكاغو

Hempel, Lamant C. Environmental Governance: The Globel Challenge. New Delhi: Affiliated East-West Press, 1998.

MLA استشهاد

Hempel, Lamant C. Environmental Governance: The Globel Challenge. Affiliated East-West Press, 1998.