APA (7th ed.) Zitazioa
Plenert, G. J. (2002). International operations management. Copenhagen Business School Press.
Chicago Style (17th ed.) Zitazioa
Plenert, Gerhard Johannes. International Operations Management. Copenhagen: Copenhagen Business School Press, 2002.
MLA (9th ed.) Zitazioa
Plenert, Gerhard Johannes. International Operations Management. Copenhagen Business School Press, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.