TY  - BOOK
T1  - Introduction to reference work
A1  - Katz, William A., 1924-
LA  - English
PP  - New York
PB  - McGraw-Hill
YR  - 1973
ED  - 2nd ed.
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217605734018
NO  - v. 1. Basic information sources.--v. 2. Reference services and reference processes.
CN  - Z1035.1 K38 1974
SN  - 007033353X
KW  - Reference books - Bibliography.
KW  - Reference services (Libraries).
ER  -