(2017). GRE prep: 7 practice tests + live support. New York: Argo Brothers Inc.
Trích dẫn kiểu ChicagoGRE Prep: 7 Practice Tests + Live Support. New York: Argo Brothers Inc, 2017.
Deismireacht MLAGRE Prep: 7 Practice Tests + Live Support. New York: Argo Brothers Inc, 2017.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.