Gaya APA

Nussbaum, P, D. (2010). Save your brain: 5 things you must do to keep your mind young and sharp. . New York: New York McGraw Hill.

Gaya MLA

Nussbaum, Paul, David. "Save your brain: 5 things you must do to keep your mind young and sharp. ". New York: New York McGraw Hill, 2010. Buku.