BRITTON , L. (1992). MONTESSORI PLAY AND LEARN ( A PARENT'S GUIDE TO PURPOSEFUL PLAY FROM TWO TO SIX ). VERMILION.
Chicago-referens (17:e uppl.)BRITTON , LESLEY. MONTESSORI PLAY AND LEARN ( A PARENT'S GUIDE TO PURPOSEFUL PLAY FROM TWO TO SIX ). LONDON: VERMILION, 1992.
MLA-referens (9:e uppl.)BRITTON , LESLEY. MONTESSORI PLAY AND LEARN ( A PARENT'S GUIDE TO PURPOSEFUL PLAY FROM TWO TO SIX ). VERMILION, 1992.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.