Dyfyniad APA

(1987). Trade among developing countries: Theory, policy, issues and principal trends. World bank.

Dyfyniad Arddull Chicago

Trade Among Developing Countries: Theory, Policy, Issues and Principal Trends. Washington: World bank, 1987.

Dyfyniad MLA

Trade Among Developing Countries: Theory, Policy, Issues and Principal Trends. World bank, 1987.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.