Perritt, P. H. (1998). The Knowledge You Need: Updated Requirements for Library Media Specialists.
Citazione stile Chigago Style (17a edizione)Perritt, Patsy H. The Knowledge You Need: Updated Requirements for Library Media Specialists. 1998.
Citatione MLA (9a ed.)Perritt, Patsy H. The Knowledge You Need: Updated Requirements for Library Media Specialists. 1998.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.