APA aipamena

Ellsworth, P. T. (1938). International economics. New York: The MacMillan Company.

Chicago Style aipamena

Ellsworth, P. T. International Economics. New York: The MacMillan Company, 1938.

MLA aipamena

Ellsworth, P. T. International Economics. New York: The MacMillan Company, 1938.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.