Παραπομπή APA

Elizabeth Verkey. (2012). Law of patents (2nd ed.). Eastern Book Co..

Παραπομπή Chicago Style

Elizabeth Verkey. Law of Patents. 2nd ed. Lucknow: Eastern Book Co., 2012.

Παραπομπή MLA

Elizabeth Verkey. Law of Patents. 2nd ed. Eastern Book Co., 2012.