APA استشهاد

Verkey, E. (2015). Intellectual Property (1st.). Eastern Book Company.

استشهاد بنمط شيكاغو

Verkey, Elizabeth. Intellectual Property. 1st. Lucknow: Eastern Book Company, 2015.

MLA استشهاد

Verkey, Elizabeth. Intellectual Property. 1st. Eastern Book Company, 2015.