APA引文

Kassel, K. (2014). The Thinking Executive’s Guide to Sustainability. Business Expert Press.

Trích dẫn kiểu Chicago

Kassel, Kerul. The Thinking Executive’s Guide to Sustainability. Business Expert Press, 2014.

MLA引文

Kassel, Kerul. The Thinking Executive’s Guide to Sustainability. Business Expert Press, 2014.

警告：這些引文格式不一定是100％准確.