APA استشهاد

Vincent, P. (1996). Free stuff from the internet. 2nd Ed. (2nd.). Coriolis group books.

استشهاد بنمط شيكاغو

Vincent, Patrick. Free Stuff from the Internet. 2nd Ed. 2nd. USA: Coriolis group books, 1996.

MLA استشهاد

Vincent, Patrick. Free Stuff from the Internet. 2nd Ed. 2nd. Coriolis group books, 1996.