Παραπομπή σε μορφή APA (7η εκδ.)

Gardner, R. C. (2002). International assistance, sustainable development, and the war on terrorism. Environmental Law Institute.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gardner, Royal C. International Assistance, Sustainable Development, and the War on Terrorism. Washington, D.C.: Environmental Law Institute, 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gardner, Royal C. International Assistance, Sustainable Development, and the War on Terrorism. Environmental Law Institute, 2002.