Παραπομπή σε μορφή APA (7η εκδ.)

Chopra, P. (1987). Security, sovereignty, and the role of SAARC: The case of Indo-Sri Lanka relations. Centre for Policy Research.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Chopra, Pran. Security, Sovereignty, and the Role of SAARC: The Case of Indo-Sri Lanka Relations. New Delhi: Centre for Policy Research, 1987.

Παραπομπή σε μορφή MLA (8th εκδ.)

Chopra, Pran. Security, Sovereignty, and the Role of SAARC: The Case of Indo-Sri Lanka Relations. Centre for Policy Research, 1987.