Παραπομπή APA

Bayer, T. R. (2008). Five hundred one english verbs (2nd ed.). New Age Intenational.

Παραπομπή Chicago Style

Bayer, Thomas R. Five Hundred One English Verbs. 2nd ed. New Delhi: New Age Intenational, 2008.

Παραπομπή MLA

Bayer, Thomas R. Five Hundred One English Verbs. 2nd ed. New Age Intenational, 2008.