Hakim, P., & Litan, R. E. (2002). The future of North American integration: Beyond NAFTA. Brookings Institution Press.
Chicago Style aipamenaHakim, Peter, và Robert E. Litan. The Future of North American Integration: Beyond NAFTA. Brookings Institution Press, 2002.
MLA aipamenaHakim, Peter, và Robert E. Litan. The Future of North American Integration: Beyond NAFTA. Brookings Institution Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.