APA (7e ed.) Bronvermelding
ProQuest (Firm). (2005). Enhancing the performance of the services sector. OECD.
Chicago (17e ed.) Bronvermelding
ProQuest (Firm). Enhancing the Performance of the Services Sector. Paris, France: OECD, 2005.
MLA (9e ed.) Bronvermelding
ProQuest (Firm). Enhancing the Performance of the Services Sector. OECD, 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.