Brennan, R. (2017). Business-to-business marketing. Sage.
Trích dẫn kiểu ChicagoBrennan, Ross. Business-to-business Marketing. Sage, 2017.
MLA引文Brennan, Ross. Business-to-business Marketing. Sage, 2017.
警告：這些引文格式不一定是100％准確.
APA引文