Παραπομπή APA

Green, S. w. (2013). Barron's GRE: Sharon Weiner Green and Ira K Wolf. Galgotia.

Παραπομπή Chicago Style

Green, Sharon weiner. Barron's GRE: Sharon Weiner Green and Ira K Wolf. New Delhi: Galgotia, 2013.

Παραπομπή MLA

Green, Sharon weiner. Barron's GRE: Sharon Weiner Green and Ira K Wolf. Galgotia, 2013.