CLEP COLLEGE-LEVEL EXAMINATION PROGRAM THE 5 GENERAL EXAMINATIONS SECOND EDITION
1985 年出版471 页ISBN:0668062606
J.BARRY MASON MORRIS L.MAYER HAZEL F.EZELL1991 年出版701 页ISBN:
ROLAND E.LARSON ROBERT P.HOSTETLER DAVID E.HEYD1997 年出版506 页ISBN:0669417378
CAMILLE B.WORTMAN ELIZABETH F.LOFTUS MARY E.MARSHALL1992 年出版736 页ISBN:0070719187