Forbes, R. (2004). Beginning to play: Young children from birth to three. Open University Press.
Chicago-Zitierstil (17. Ausg.)Forbes, Ruth. Beginning to Play: Young Children from Birth to Three. Buckingham: Open University Press, 2004.
MLA-Zitierstil (9. Ausg.)Forbes, Ruth. Beginning to Play: Young Children from Birth to Three. Open University Press, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.