Cita APA (7th ed.)

Robinson, R. (1976). Study guide to accompany. Samuelson: Economics (10a. ed.). McGraw-Hill.

Cita Chicago (17th ed.)

Robinson, Romney. Study Guide to Accompany. Samuelson: Economics. 10a. ed. Nueva York: McGraw-Hill, 1976.

Cita MLA (9th ed.)

Robinson, Romney. Study Guide to Accompany. Samuelson: Economics. 10a. ed. McGraw-Hill, 1976.