Library Association & Harrison, H. P. (1981). Picture librarianship (First published.). The Library Association.
Citazione stile Chigago Style (17a edizione)Library Association e Helen P. Harrison. Picture Librarianship. First published. London: The Library Association, 1981.
Citatione MLA (9a ed.)Library Association e Helen P. Harrison. Picture Librarianship. First published. The Library Association, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.