.Rubin, S. J., & .Graham, T. R. (1982). Environment and trade: The relation of international trade and environmental policy. Allanheld, Osmun.
Chicago (17e ed.) Bronvermelding.Rubin, Seymour J., en Thomas R. .Graham. Environment and Trade: The Relation of International Trade and Environmental Policy. .Totowa, N.J: Allanheld, Osmun, 1982.
MLA (9e ed.) Bronvermelding.Rubin, Seymour J., en Thomas R. .Graham. Environment and Trade: The Relation of International Trade and Environmental Policy. Allanheld, Osmun, 1982.
Let op: Deze citaties zijn niet altijd 100% accuraat.