Library of Congress. Children's Book Section, Children's Literature Center (Library of Congress), Educational Materials Laboratory (U.S.), Educational Materials Center (U.S), Haviland, V., & Watt, L. B. Children's books. Library of Congress : [For sale by the Supt. of Docs., U.S. G.P.O..
Chicago-Zitierstil (17. Ausg.)Library of Congress. Children's Book Section, Children's Literature Center (Library of Congress), Educational Materials Laboratory (U.S.), Educational Materials Center (U.S), Virginia Haviland, und Lois B. Watt. Children's Books. Washington: Library of Congress : [For sale by the Supt. of Docs., U.S. G.P.O..
MLA-Zitierstil (8. Ausg.)Library of Congress. Children's Book Section, et al. Children's Books. Library of Congress : [For sale by the Supt. of Docs., U.S. G.P.O..