Overby John. (2006). Annual Editions: Labor-Management Relations 05/06. American: McGraw -Hill.
Chicago Style aipamenaOverby John. Annual Editions: Labor-Management Relations 05/06. American: McGraw -Hill, 2006.
MLA aipamenaOverby John. Annual Editions: Labor-Management Relations 05/06. American: McGraw -Hill, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.