Joffe, C. E. (1977). Friendly intruders: Childcare professionals and family life. University of California Press.
Chicago-Zitierstil (17. Ausg.)Joffe, Carole E. Friendly Intruders: Childcare Professionals and Family Life. Berkeley: University of California Press, 1977.
MLA-Zitierstil (8. Ausg.)Joffe, Carole E. Friendly Intruders: Childcare Professionals and Family Life. University of California Press, 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.