Yahya related to me from Malik that he had heard that A'isha wasasked about how a woman should do ghusl for major ritual impurity. Shesaid, "She should scoop water over her head with both hands threetimes and rub the roots of her hair with her hands." (DE)
USC-MSA web (English) reference: Book 2, Hadith 72 (DE)
Arabic reference (DE): Book 2, Hadith 102 (DE)