Dyfyniad APA

Ellsworth, P. (1969). International economy/4e (4th ed.). Macmillian company.

Dyfyniad Arddull Chicago

Ellsworth, P.T. International Economy/4e. 4th ed. London: Macmillian company, 1969.

Dyfyniad MLA

Ellsworth, P.T. International Economy/4e. 4th ed. Macmillian company, 1969.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.