Citazione Stile APA (7a Edizione)

Fletcher, J. (1984). Information sources in economics (2nd ed.). Butterworths.

Citazione stile Chigago Style (17a edizione)

Fletcher, John. Information Sources in Economics. 2nd ed. London: Butterworths, 1984.

Citatione MLA (9a ed.)

Fletcher, John. Information Sources in Economics. 2nd ed. Butterworths, 1984.