Citazione Stile APA (7a Edizione)

GRIFFITHS, A., & WALL, S. (2012). Applied economics (12th ed.). Pearson Education Limited.

Citazione stile Chigago Style (17a edizione)

GRIFFITHS, A., e S. WALL. Applied Economics. 12th ed. Harlow, England: Pearson Education Limited, 2012.

Citatione MLA (9a ed.)

GRIFFITHS, A., e S. WALL. Applied Economics. 12th ed. Pearson Education Limited, 2012.