Samuelson, P. A., & Crandall, M. S. (1973). Test bank for use with Samuelson: Economics (9th ed.). McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Samuelson, Paul Anthony, e Maureen S. Crandall. Test Bank for Use with Samuelson: Economics. 9th ed. New York: McGraw-Hill, 1973.
Citatione MLA (9a ed.)Samuelson, Paul Anthony, e Maureen S. Crandall. Test Bank for Use with Samuelson: Economics. 9th ed. McGraw-Hill, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.