Haviland, V., & Watt, L. B. (1972). Children's Books 1971: A List of Books for Preschool Through Junior High School Age.
Citazione stile Chigago Style (17a edizione)Haviland, Virginia, e Lois B. Watt. Children's Books 1971: A List of Books for Preschool Through Junior High School Age. 1972.
Citatione MLA (9a ed.)Haviland, Virginia, e Lois B. Watt. Children's Books 1971: A List of Books for Preschool Through Junior High School Age. 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.