Fletcher, J. (1984). Information sources in economics (2nd ed.). Butterworths.
Chicago Style (17. basım) AtıfFletcher, John. Information Sources in Economics. 2nd ed. London ; Boston: Butterworths, 1984.
MLA (9th ed.) AtıfFletcher, John. Information Sources in Economics. 2nd ed. Butterworths, 1984.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..