APA-viite

Gyngell, J. P. (1998). A User's guide trade marks and passing off (ed. 2.). Butterworths.

Chicago-tyylinen lähdeviittaus

Gyngell, Julian Poulter. A User's Guide Trade Marks and Passing off. ed. 2. London: Butterworths, 1998.

MLA-viite

Gyngell, Julian Poulter. A User's Guide Trade Marks and Passing off. ed. 2. Butterworths, 1998.