APA
Treitel Guenter H,, . (2003). The law of contract. London: Sweet & Maxwell.
Chicago
Treitel Guenter H,, . 2003. The law of contract. London: Sweet & Maxwell.
Harvard
Treitel Guenter H,, . (2003). The law of contract. London: Sweet & Maxwell.
MLA
Treitel Guenter H,, . The law of contract. London: Sweet & Maxwell. 2003.