Grennes, T. (1984). International economics. Prentice-Hall.
Chicago Style (17th ed.) ZitazioaGrennes, Thomas. International Economics. .Englewood Cliffs, N.J: Prentice-Hall, 1984.
MLA (9th ed.) ZitazioaGrennes, Thomas. International Economics. Prentice-Hall, 1984.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.