Gaya APA

Ferrett, S, K. (2012). Peak Performance: Success In College and Beyond (Ed. Ke-8). New York: New York.McGraw-Hill Company.

Gaya MLA

Ferrett, Sharon, K.. "Peak Performance: Success In College and Beyond". Ed. Ke-8 New York: New York.McGraw-Hill Company, 2012. Skripsi, Tesis, Disertasi.