.Rubin, S. J., & .Graham, T. R. (1982). Environment and trade: The relation of international trade and environmental policy. Allanheld, Osmun.
Chicago-čujuhus (17. p.).Rubin, Seymour J., juo Thomas R. .Graham. Environment and Trade: The Relation of International Trade and Environmental Policy. .Totowa, N.J: Allanheld, Osmun, 1982.
MLA-čujuhus (9. p.).Rubin, Seymour J., juo Thomas R. .Graham. Environment and Trade: The Relation of International Trade and Environmental Policy. Allanheld, Osmun, 1982.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.