APA (7th ed.) Zitazioa

Sharp, A. M. (1988). Economics of social issues (8th ed.). IRWIN.

Chicago Style (17th ed.) Zitazioa

Sharp, Ansel M. Economics of Social Issues. 8th ed. Homewood: IRWIN, 1988.

MLA (9th ed.) Zitazioa

Sharp, Ansel M. Economics of Social Issues. 8th ed. IRWIN, 1988.