Tohutoro APA (7th ed.)

Hey, J. D. (2004). Microeconomía intermedia (1a. ed.). McGraw-Hill Interamericana.

Tohutoru Kātū Chicago (17th ed.)

Hey, John D. Microeconomía Intermedia. 1a. ed. Madrid: McGraw-Hill Interamericana, 2004.

Tohutoro MLA (9th ed.)

Hey, John D. Microeconomía Intermedia. 1a. ed. McGraw-Hill Interamericana, 2004.