APA
Colston C., . (1999). Principles of intellectual property Law. L.L.P: London.
Chicago
Colston Catherine, . 1999. Principles of intellectual property Law. L.L.P: London.
Harvard
Colston C., . (1999). Principles of intellectual property Law. L.L.P: London.
MLA
Colston Catherine, . Principles of intellectual property Law. L.L.P: London. 1999.