Παραπομπή σε μορφή APA (7η εκδ.)

Ullman, B. L. (1997). Ancient writing and its influence. University of Toronto Press in assosiation with the Medieval Academy of America.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Ullman, B. L. Ancient Writing and Its Influence. Toronto: University of Toronto Press in assosiation with the Medieval Academy of America, 1997.

Παραπομπή σε μορφή MLA (9th εκδ.)

Ullman, B. L. Ancient Writing and Its Influence. University of Toronto Press in assosiation with the Medieval Academy of America, 1997.