Cita APA

Graduate Record Examinations, Council of Graduate Schools. (1995). The official GRE/CGS directory of graduate programs (15th ed.). Educational Testing Service.

Citación estilo Chicago

Graduate Record Examinations, Council of Graduate Schools. The Official GRE/CGS Directory of Graduate Programs. 15th ed. Princeton: Educational Testing Service, 1995.

Cita MLA

Graduate Record Examinations, Council of Graduate Schools. The Official GRE/CGS Directory of Graduate Programs. 15th ed. Educational Testing Service, 1995.