Intal, P. S., & Nelson, G. C. (1993). Readings in international trade theory, policy and development. Winrock International Institute for Agricultural Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Intal, Ponciano S., και Gerard C. Nelson. Readings in International Trade Theory, Policy and Development. Pasig, Metro Manila: Winrock International Institute for Agricultural Development, 1993.
Παραπομπή σε μορφή MLA (9th εκδ.)Intal, Ponciano S., και Gerard C. Nelson. Readings in International Trade Theory, Policy and Development. Winrock International Institute for Agricultural Development, 1993.
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