APA引文

 Proakis, J. G. (2014).  Digital Signal Processing.  Pearson Education, Inc.

Trích dẫn kiểu Chicago

 Proakis, John G.  Digital Signal Processing.  Pearson Education, Inc, 2014.

MLA引文

 Proakis, John G.  Digital Signal Processing.  Pearson Education, Inc, 2014.

警告：這些引文格式不一定是100％准確.