Katz.A.W.
Introduction to reference work: reference services and reference processes. - 4 - Америк Mc Graw Hill/ Irwin 1982 - 309
0070333343
reference book basic information sources reference service
Introduction to reference work: reference services and reference processes. - 4 - Америк Mc Graw Hill/ Irwin 1982 - 309
0070333343
reference book basic information sources reference service