Citazione Stile APA (7a Edizione)

NOBES, J. (1975). Advanced level economics (2nd ed.). McGraw-Hill.

Citazione stile Chigago Style (17a edizione)

NOBES, Jack. Advanced Level Economics. 2nd ed. London: McGraw-Hill, 1975.

Citatione MLA (9a ed.)

NOBES, Jack. Advanced Level Economics. 2nd ed. McGraw-Hill, 1975.