(1977). Directions for library service to young adults. American Library Association.
Citazione stile Chigago Style (17a edizione)Directions for Library Service to Young Adults. Chicago: American Library Association, 1977.
Citatione MLA (9a ed.)Directions for Library Service to Young Adults. American Library Association, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.