(1966). International trade and development, theory and policy. Warszawa: PWN-Polish Scientific Publishers.
Chicago Stili AlıntıInternational Trade and Development, Theory and Policy. Warszawa: PWN-Polish Scientific Publishers, 1966.
MLA AlıntıInternational Trade and Development, Theory and Policy. Warszawa: PWN-Polish Scientific Publishers, 1966.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..