Mabry Celia Hales Ed. Doing the work of reference Practical tips for excelling as a reference librarian Mabry Celia Hales Ed. - New York Haworth press 2001 - 387 p cm. Standard No.: 216,033 Source: Textual Subjects--Topical Terms: LIBRARY SCIENCE Dewey Class. No.: 2:7, P1(2D)