Family Characteristics of 6- to 12-year-olds. US Department of Education.
Чикаго стиль цитування (17-те видання)Family Characteristics of 6- to 12-year-olds. US Department of Education.
Стиль цитування MLA (9-ме видання)Family Characteristics of 6- to 12-year-olds. US Department of Education.
Попередження: стилі цитування не завжди правильні на всі 100%.