Citazione Stile APA (7a Edizione)

OHLIN, B. (1967). International and international trade. Harvard University press.

Citazione stile Chigago Style (17a edizione)

OHLIN, Bertil. International and International Trade. Cambridge: Harvard University press, 1967.

Citatione MLA (9a ed.)

OHLIN, Bertil. International and International Trade. Harvard University press, 1967.