Citazione Stile APA (7a Edizione)

Loucks, W. N. (1969). Comparative economic systems (8th ed.). Harper & Row.

Citazione stile Chigago Style (17a edizione)

Loucks, William Negele. Comparative Economic Systems. 8th ed. New York: Harper & Row, 1969.

Citatione MLA (9a ed.)

Loucks, William Negele. Comparative Economic Systems. 8th ed. Harper & Row, 1969.