Cita APA (7th ed.)
Knowles, R. (2005). 150 contractual problems and their solutions. Blackwell Pub..
Cita Chicago (17th ed.)
Knowles, Roger. 150 Contractual Problems and Their Solutions. Oxford ; Malden, MA: Blackwell Pub., 2005.
Cita MLA (9th ed.)
Knowles, Roger. 150 Contractual Problems and Their Solutions. Blackwell Pub., 2005.
Atenció: Aquestes cites poden no estar 100% correctes.