Haviland, V. (1969). The Children's Book Section, Library of Congress. Children's Books, 1968.
Citazione stile Chigago Style (17a edizione)Haviland, Virginia. The Children's Book Section, Library of Congress. Children's Books, 1968. 1969.
Citatione MLA (9a ed.)Haviland, Virginia. The Children's Book Section, Library of Congress. Children's Books, 1968. 1969.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.