Ahlers, E. E., & Wieman, J. B. (1974). School Library Media Supervisor Competencies: A Cyclic Design for Development.
Citazione stile Chigago Style (17a edizione)Ahlers, Eleanor E., e Jean B. Wieman. School Library Media Supervisor Competencies: A Cyclic Design for Development. 1974.
Citatione MLA (9a ed.)Ahlers, Eleanor E., e Jean B. Wieman. School Library Media Supervisor Competencies: A Cyclic Design for Development. 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.