Smith, E. S. (1933). Subject headings for children's books in public libraries and in libraries in elementary and junior high schools. American Library Association.
Citazione stile Chigago Style (17a edizione)Smith, Elva Sophronia. Subject Headings for Children's Books in Public Libraries and in Libraries in Elementary and Junior High Schools. Chicago: American Library Association, 1933.
Citatione MLA (9a ed.)Smith, Elva Sophronia. Subject Headings for Children's Books in Public Libraries and in Libraries in Elementary and Junior High Schools. American Library Association, 1933.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.