Citazione Stile APA (7a Edizione)

Utton, M. A., & Morgan, A. D. (1983). Concentration and foreign trade. Cambridge University Press.

Citazione stile Chigago Style (17a edizione)

Utton, M. A., e Ann D. Morgan. Concentration and Foreign Trade. Cambridge: Cambridge University Press, 1983.

Citatione MLA (9a ed.)

Utton, M. A., e Ann D. Morgan. Concentration and Foreign Trade. Cambridge University Press, 1983.