.Rubin, S. J., & .Graham, T. R. (1982). Environment and trade: The relation of international trade and environmental policy. Allanheld, Osmun.
Παραπομπή σε μορφή Chicago (17η εκδ.).Rubin, Seymour J., και Thomas R. .Graham. Environment and Trade: The Relation of International Trade and Environmental Policy. .Totowa, N.J: Allanheld, Osmun, 1982.
Παραπομπή σε μορφή MLA (9th εκδ.).Rubin, Seymour J., και Thomas R. .Graham. Environment and Trade: The Relation of International Trade and Environmental Policy. Allanheld, Osmun, 1982.