Παραπομπή σε μορφή APA (7η εκδ.)

Schiff, M. W., & Chang, W. (2001). Market presence, contestability, and the terms-of-trade effects of regional integration. World Bank.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Schiff, Maurice W., και Won Chang. Market Presence, Contestability, and the Terms-of-trade Effects of Regional Integration. Washington, D.C: World Bank, 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

Schiff, Maurice W., και Won Chang. Market Presence, Contestability, and the Terms-of-trade Effects of Regional Integration. World Bank, 2001.