Tohutoro APA (7th ed.)

Gopalkrisgna. (2001). Principles of Intellectual Property. Oxford university Press,New Delhi.

Tohutoru Kātū Chicago (17th ed.)

Gopalkrisgna. Principles of Intellectual Property. India: Oxford university Press,New Delhi, 2001.

Tohutoro MLA (9th ed.)

Gopalkrisgna. Principles of Intellectual Property. Oxford university Press,New Delhi, 2001.