APA引文

(2001). Reference and information services: An introduction. Englewood, CL: Library Unlimited.

Trích dẫn kiểu Chicago

Reference and Information Services: An Introduction. Englewood, CL: Library Unlimited, 2001.

MLA引文

Reference and Information Services: An Introduction. Englewood, CL: Library Unlimited, 2001.

警告：這些引文格式不一定是100％准確.