Citazione Stile APA (7a Edizione)

USHER, D. (1980). The Measurement of economic growth. Heritage.

Citazione stile Chigago Style (17a edizione)

USHER, Dan. The Measurement of Economic Growth. New Delhi: Heritage, 1980.

Citatione MLA (9a ed.)

USHER, Dan. The Measurement of Economic Growth. Heritage, 1980.