Katz, W. A. (1969). Introduction to reference work. 2v: Basic information sources. New York.
Chicago Edition CitationKatz, William A. Introduction to Reference Work. 2v: Basic Information Sources. McGraw Hill: New York, 1969.
Deismireacht MLAKatz, William A. Introduction to Reference Work. 2v: Basic Information Sources. New York, 1969.
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