Citazione Stile APA (7a Edizione)

(1963). Economic theory and under-developed regions. Methuen.

Citazione stile Chigago Style (17a edizione)

Economic Theory and Under-developed Regions. London: Methuen, 1963.

Citatione MLA (9a ed.)

Economic Theory and Under-developed Regions. Methuen, 1963.