Spangle, M. (2003). Negotiations: Communications for diverse settings. Sage Publication.
Čikaški stil citiranja (17. izdanje)Spangle, Michael. Negotiations: Communications for Diverse Settings. Sage Publication, 2003.
MLA način citiranja (8. izdanje)Spangle, Michael. Negotiations: Communications for Diverse Settings. Sage Publication, 2003.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.