ebrary, Inc, Lenn, R., & Stefano, K. (2012). Small, large, and median groups: The work of Patrick de Maré. Karnac Books.
Cita Chicago (17th ed.)ebrary, Inc, Rachel Lenn, i Karen Stefano. Small, Large, and Median Groups: The Work of Patrick De Maré. London: Karnac Books, 2012.
Cita MLA (9th ed.)ebrary, Inc, et al. Small, Large, and Median Groups: The Work of Patrick De Maré. Karnac Books, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.