United Nations Educational, Scientific and Cultural Organization. (1972). A World of children's books: A selctive international bibligraphy. Unesco.
Цитирование в стиле Чикаго (17-е изд.)United Nations Educational, Scientific and Cultural Organization. A World of Children's Books: A Selctive International Bibligraphy. Paris: Unesco, 1972.
Цитирование MLA (9-е изд.)United Nations Educational, Scientific and Cultural Organization. A World of Children's Books: A Selctive International Bibligraphy. Unesco, 1972.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.