Katz, W. A. (2003). Digital reference services. Haworth Information Press.
Chicago Style (17th ed.) CitationKatz, William A. Digital Reference Services. Binghamton, NY: Haworth Information Press, 2003.
MLA (8th ed.) CitationKatz, William A. Digital Reference Services. Haworth Information Press, 2003.
Warning: These citations may not always be 100% accurate.