APA引文

Katz, W. A. (2003). Digital reference services. Haworth Information Press.

Chicago Style (17th ed.) Citation

Katz, William A. Digital Reference Services. Binghamton, N.Y: Haworth Information Press, 2003.

MLA引文

Katz, William A. Digital Reference Services. Haworth Information Press, 2003.

警告：這些引文格式不一定是100％准確.