Cita APA (7th ed.)
Covino, W., & Weiner, M. (1986). Cliffs graduate record examination. Cliffs Notes.
Cita Chicago (17th ed.)
Covino, William, i Mitchel Weiner. Cliffs Graduate Record Examination. U.S.A: Cliffs Notes, 1986.
Cita MLA (9th ed.)
Covino, William, i Mitchel Weiner. Cliffs Graduate Record Examination. Cliffs Notes, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.