APA
Duxbury Robert,, . (2006). Contracts in a nutshell. London: Sweet & Maxwell.
Chicago
Duxbury Robert,, . 2006. Contracts in a nutshell. London: Sweet & Maxwell.
Harvard
Duxbury Robert,, . (2006). Contracts in a nutshell. London: Sweet & Maxwell.
MLA
Duxbury Robert,, . Contracts in a nutshell. London: Sweet & Maxwell. 2006.