Roth, W., & Tobin, K. G. (2002). At the elbow of another: Learning to teach by coteaching. P. Lang.

Roth, Wolff-Michael, and Kenneth George Tobin. At the Elbow of Another: Learning to Teach by Coteaching. New York: P. Lang, 2002.

Roth, Wolff-Michael, and Kenneth George Tobin. At the Elbow of Another: Learning to Teach by Coteaching. P. Lang, 2002.