Krikelas, J. (1968). Library statistics and state agencies: A comparative study of three states. Illinois State Library.
Citazione stile Chigago Style (17a edizione)Krikelas, James. Library Statistics and State Agencies: A Comparative Study of Three States. Springfield, Ill: Illinois State Library, 1968.
Citatione MLA (9a ed.)Krikelas, James. Library Statistics and State Agencies: A Comparative Study of Three States. Illinois State Library, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.