Παραπομπή APA

Villard, H. H. (1963). Economic development. Holt Rinehart and Winston.

Παραπομπή Chicago Style

Villard, Henry H. Economic Development. New York: Holt Rinehart and Winston, 1963.

Παραπομπή MLA

Villard, Henry H. Economic Development. Holt Rinehart and Winston, 1963.