APA (7e ed.) Bronvermelding
Chen, M. (2004). Grey systems: Theory and applications. Emerald Group Publishing.
Chicago (17e ed.) Bronvermelding
Chen, Mian-Yun. Grey Systems: Theory and Applications. Bradford, West Yorkshire, England: Emerald Group Publishing, 2004.
MLA (9e ed.) Bronvermelding
Chen, Mian-Yun. Grey Systems: Theory and Applications. Emerald Group Publishing, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.