Summers, W. F. (1977). What You Want the Future to Be... Children's Services and Library Administrators.
Citazione stile Chigago Style (17a edizione)Summers, William F. What You Want the Future to Be... Children's Services and Library Administrators. 1977.
Citatione MLA (9a ed.)Summers, William F. What You Want the Future to Be... Children's Services and Library Administrators. 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.