Citazione Stile APA (7a Edizione)

Armstrong, H., & Taylor, J. (1993). Regional economics and policy (2nd ed.). Harvester Wheatsheaf.

Citazione stile Chigago Style (17a edizione)

Armstrong, Harvey, e Jim Taylor. Regional Economics and Policy. 2nd ed. New York: Harvester Wheatsheaf, 1993.

Citatione MLA (9a ed.)

Armstrong, Harvey, e Jim Taylor. Regional Economics and Policy. 2nd ed. Harvester Wheatsheaf, 1993.