McCalla, A. F., & Nash, J. D. (2006). Reforming agricultural trade for developing countries. World Bank.
Chicago Style aipamenaMcCalla, Alex F., and John D. Nash. Reforming Agricultural Trade for Developing Countries. Washington, D.C: World Bank, 2006.
MLA aipamenaMcCalla, Alex F., and John D. Nash. Reforming Agricultural Trade for Developing Countries. World Bank, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.