(1987). Trade among developing countries: Theory, policy, issues and principal trends. World bank.
Παραπομπή Chicago StyleTrade Among Developing Countries: Theory, Policy, Issues and Principal Trends. Washington: World bank, 1987.
Παραπομπή MLATrade Among Developing Countries: Theory, Policy, Issues and Principal Trends. World bank, 1987.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.