APA引文

Katz, W. A. (1969). Introduction to reference work: Basic information sources. New York: McGraw-Hill.

Trích dẫn kiểu Chicago

Katz, William A. Introduction to Reference Work: Basic Information Sources. New York: McGraw-Hill, 1969.

MLA引文

Katz, William A. Introduction to Reference Work: Basic Information Sources. New York: McGraw-Hill, 1969.

警告：這些引文格式不一定是100％准確.