Goodman, E. (2008). Guide to the Gre Test. Spark Notes Publishing.
Cita Chicago (17th ed.)Goodman, Eric. Guide to the Gre Test. New York, NY: Spark Notes Publishing, 2008.
Cita MLA (9th ed.)Goodman, Eric. Guide to the Gre Test. Spark Notes Publishing, 2008.
Atenció: Aquestes cites poden no estar 100% correctes.