Cita APA (7th ed.)
ETS. (2025). The Official Guide to the GRE: General test (4th Ed.). McGraw hill Education.
Cita Chicago (17th ed.)
ETS. The Official Guide to the GRE: General Test. 4th Ed. Chennai: McGraw hill Education, 2025.
Cita MLA (9th ed.)
ETS. The Official Guide to the GRE: General Test. 4th Ed. McGraw hill Education, 2025.
Atenció: Aquestes cites poden no estar 100% correctes.