Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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