Citazione Stile APA (7a Edizione)

Alt, R. M., & Colberg, M. R. (1957). Business economics, principles and cases (Rev. ed.). R. D. Irwin.

Citazione stile Chigago Style (17a edizione)

Alt, Richard M., e Marshall Rudolph Colberg. Business Economics, Principles and Cases. Rev. ed. Homewood, Ill: R. D. Irwin, 1957.

Citatione MLA (9a ed.)

Alt, Richard M., e Marshall Rudolph Colberg. Business Economics, Principles and Cases. Rev. ed. R. D. Irwin, 1957.