(1976). Guidelines for the Review and Selection of Textbooks and Instructional Materials.
Citazione stile Chigago Style (17a edizione)Guidelines for the Review and Selection of Textbooks and Instructional Materials. 1976.
Citatione MLA (9a ed.)Guidelines for the Review and Selection of Textbooks and Instructional Materials. 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.