Cita APA (7th ed.)

Powell, W. B., & Ryzhov, I. O. (2012). Optimal learning. Wiley.

Cita Chicago (17th ed.)

Powell, Warren B., i Ilya Olegovich Ryzhov. Optimal Learning. Hoboken, NJ: Wiley, 2012.

Cita MLA (9th ed.)

Powell, Warren B., i Ilya Olegovich Ryzhov. Optimal Learning. Wiley, 2012.