Citazione Stile APA (7a Edizione)

VILLARD, H. H. (1963). Economic development. Holt, Rinehort and Winston.

Citazione stile Chigago Style (17a edizione)

VILLARD, Henry H. Economic Development. New York: Holt, Rinehort and Winston, 1963.

Citatione MLA (9a ed.)

VILLARD, Henry H. Economic Development. Holt, Rinehort and Winston, 1963.