International Economic Association, Polish Economic Association, Feinstein, C. H., & Pajestka, J. (1980). The Relevance of economic theories: Proceedings of a conference held by the International Economic Association in collaboration with the Polish Economic Association at Warsaw, Poland. St. Martin's Press.
Cita Chicago (17th ed.)International Economic Association, Polish Economic Association, C. H. Feinstein, i Jozef Pajestka. The Relevance of Economic Theories: Proceedings of a Conference Held by the International Economic Association in Collaboration with the Polish Economic Association at Warsaw, Poland. New York: St. Martin's Press, 1980.
Cita MLA (9th ed.)International Economic Association, et al. The Relevance of Economic Theories: Proceedings of a Conference Held by the International Economic Association in Collaboration with the Polish Economic Association at Warsaw, Poland. St. Martin's Press, 1980.