APA ציטוט

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.

ציטוט MLA

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