Hess, N. (2001). Teaching large multilevel classes. Univ. Pr.
Cita Chicago (17th ed.)Hess, Natalie. Teaching Large Multilevel Classes. Cambridge: Univ. Pr, 2001.
Cita MLA (9th ed.)Hess, Natalie. Teaching Large Multilevel Classes. Univ. Pr, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.