APA引文

Gabel, R. A. (1987). Signals and linear systems. New York: Wiley.

Trích dẫn kiểu Chicago

Gabel, Robert A. Signals and Linear Systems. New York: Wiley, 1987.

MLA引文

Gabel, Robert A. Signals and Linear Systems. New York: Wiley, 1987.

警告:這些引文格式不一定是100%准確.