Nathan, E. D. (1979). 24 questions in group leadership (2nd ed.). Addison-Wesley.
Cita Chicago Style (17a ed.)Nathan, Ernest D. 24 Questions in Group Leadership. 2nd ed. Massachusetts: Addison-Wesley, 1979.
Cita MLA (9a ed.)Nathan, Ernest D. 24 Questions in Group Leadership. 2nd ed. Addison-Wesley, 1979.
Precaución: Estas citas no son 100% exactas.