Citazione Stile APA (7a Edizione)

Lipsey, R. G. (1996). An introduction to positive economics (8th ed.). ELBS; Oxford Univ. Pr.

Citazione stile Chigago Style (17a edizione)

Lipsey, Richard G. An Introduction to Positive Economics. 8th ed. Oxford: ELBS; Oxford Univ. Pr, 1996.

Citatione MLA (9a ed.)

Lipsey, Richard G. An Introduction to Positive Economics. 8th ed. ELBS; Oxford Univ. Pr, 1996.