Katz, W. A. (1974). Introduction to reference book: Basic information sources (2nd ed.). McGraw-Hill.
Chicago-stil citatKatz, Willaim A. Introduction to Reference Book: Basic Information Sources. 2nd ed. New York: McGraw-Hill, 1974.
MLA-referensKatz, Willaim A. Introduction to Reference Book: Basic Information Sources. 2nd ed. McGraw-Hill, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.