APA (7th ed.) Zitazioa

Hyman, D. N. (1994). Economics (3rd ed.). Irwin.

Chicago Style (17th ed.) Zitazioa

Hyman, David N. Economics. 3rd ed. Illinois: Irwin, 1994.

MLA (9th ed.) Zitazioa

Hyman, David N. Economics. 3rd ed. Irwin, 1994.