DISCRETE AND COMBINATORIAL MATHEMATICS
ABRAHAM P.HILLMAN GERALD L.ALEXANDERSON RICHARD M.GRASSL1987 年出版693 页ISBN:0023545801
COLLEGE MATHEMATICS WITH TECHNOLOGY
RAYMOND A.BARNETT MICHAEL R.ZIEGLER KARL E.BYLEEN1997 年出版1062 页ISBN:0135703913
OXFORD ADVANCED LEARNER'S DICTIONARY OF CURRENT ENGLISH FIFTH EDITION
JONATHAN CROWTHER1995 年出版1428 页ISBN:0194314219