APA (7e ed.) Bronvermelding
Knowles, R. (2005). 150 contractual problems and their solutions. Blackwell Pub..
Chicago (17e ed.) Bronvermelding
Knowles, Roger. 150 Contractual Problems and Their Solutions. Oxford ; Malden, MA: Blackwell Pub., 2005.
MLA (9e ed.) Bronvermelding
Knowles, Roger. 150 Contractual Problems and Their Solutions. Blackwell Pub., 2005.
Let op: Deze citaties zijn niet altijd 100% accuraat.