Guide to reference books / Edited by: Eugene P. Sheehy. - 10th ed. - Chicago : American Library Association, 1986. - xiv, 1560 p. ; 28 cm. Includes index. ISBN: 0838903908 Subjects--Topical Terms: Reference books--Bibliography.Danışma kaynakları--Bibliyografya. Dewey Class. No.: 011.02 / GUI 1986