Dòng Nội dung
1
Introduction to reference work :. Basic information services . / Wiliam A.Katz Volume 1 / :
Boston : McGraw-Hill, 2002.
xiii, 504 p. ; 24 cm.
2
Reference guide to handbooks and annuals : volumes I-X and 72- 97 annuals / J William Pfeiffer.
San Diego, CA : Jossey-Bass Pfeiffer, 1999.
438 pages : illustrations ; 22 cm