Sewell, W. (1978). Study of Federal Library/Information Service Staffing as Affected by Classification and Qualification Standards.
Citazione stile Chigago Style (17a edizione)Sewell, Winifred. Study of Federal Library/Information Service Staffing as Affected by Classification and Qualification Standards. 1978.
Citatione MLA (9a ed.)Sewell, Winifred. Study of Federal Library/Information Service Staffing as Affected by Classification and Qualification Standards. 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.