Gaya APA

Tannenbaum, D, G. (2013). "Inventors of Ideas: An introduction to western political philosophy| (Ed. 3). United States: Wadswowrth, Cengage Learning.

Gaya MLA

Tannenbaum, Donald, G.. ""Inventors of Ideas: An introduction to western political philosophy|". Ed. 3 United States: Wadswowrth, Cengage Learning, 2013. book.