Citazione Stile APA (7a Edizione)

Earl, P., & Wakeley, T. (2005). Business economics: A contemporary approach. McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

Earl, Peter, e Tim Wakeley. Business Economics: A Contemporary Approach. London: McGraw-Hill, 2005.

Citatione MLA (8a ed.)

Earl, Peter, e Tim Wakeley. Business Economics: A Contemporary Approach. McGraw-Hill, 2005.