Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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