Cole, S. (1977). Global models and the international economic order: A paper for the United Nations Institute for Research project on the future. Pergamon Press.
Chicago-viite (17. p.)Cole, Sam. Global Models and the International Economic Order: A Paper for the United Nations Institute for Research Project on the Future. Oxford, Eng: Pergamon Press, 1977.
MLA-viite (9. p.)Cole, Sam. Global Models and the International Economic Order: A Paper for the United Nations Institute for Research Project on the Future. Pergamon Press, 1977.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.