Mates, B. T. (2003). 5-star programming and services for your 55+ library customers. American Library Association.
Citazione stile Chigago Style (17a edizione)Mates, Barbara T. 5-star Programming and Services for Your 55+ Library Customers. Chicago: American Library Association, 2003.
Citatione MLA (9a ed.)Mates, Barbara T. 5-star Programming and Services for Your 55+ Library Customers. American Library Association, 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.