Life cycle of the career teacher
Steffy Betty E.Kniha
Citace v seznamu literatury:
STEFFY, Betty E. (ed.). Life cycle of the career teacher. [Indianapolis, Ind.]: Kappa Delta Pi, c2000. ISBN 076197539X. Dostupné také z: http://www.loc.gov/catdir/enhancements/fy0656/99046010-d.html.