Cita APA (7th ed.)

Samuelson, P. A., & Crandall, M. S. (1973). Instructor's manual to accompany Samuelson: Economics (9th ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Samuelson, Paul Anthony, i Maureen S. Crandall. Instructor's Manual to Accompany Samuelson: Economics. 9th ed. New York: McGraw-Hill, 1973.

Cita MLA (9th ed.)

Samuelson, Paul Anthony, i Maureen S. Crandall. Instructor's Manual to Accompany Samuelson: Economics. 9th ed. McGraw-Hill, 1973.