Johns, E. S. (1988). Selected Bibliography for Evaluation and Selection of Instructional Materials.
Citazione stile Chigago Style (17a edizione)Johns, Erica S. Selected Bibliography for Evaluation and Selection of Instructional Materials. 1988.
Citatione MLA (9a ed.)Johns, Erica S. Selected Bibliography for Evaluation and Selection of Instructional Materials. 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.