APA-viite

Gopalakrishnan, N. S. A. (2009). Principles of intellectual property. Eastern books.

Chicago-tyylinen lähdeviittaus

Gopalakrishnan, N S Agitha. Principles of Intellectual Property. Lucknow: Eastern books, 2009.

MLA-viite

Gopalakrishnan, N S Agitha. Principles of Intellectual Property. Eastern books, 2009.