Παραπομπή APA

Ellsworth P T & Leith J Clark. (1975). International economy/5e (5th ed.). Macmillan.

Παραπομπή Chicago Style

Ellsworth P T και Leith J Clark. International Economy/5e. 5th ed. New York: Macmillan, 1975.

Παραπομπή MLA

Ellsworth P T και Leith J Clark. International Economy/5e. 5th ed. Macmillan, 1975.