Citazione Stile APA (7a Edizione)

SHARP, A. M. (1982). Economics of social issues. Irwin.

Citazione stile Chigago Style (17a edizione)

SHARP, Ansel M. Economics of Social Issues. Illinois: Irwin, 1982.

Citatione MLA (9a ed.)

SHARP, Ansel M. Economics of Social Issues. Irwin, 1982.