Gardner, J. J. (1972). Instructional Materials: Design and Development. Point-of-Use Library Instruction.
Citazione stile Chigago Style (17a edizione)Gardner, Jeffrey J. Instructional Materials: Design and Development. Point-of-Use Library Instruction. 1972.
Citatione MLA (9a ed.)Gardner, Jeffrey J. Instructional Materials: Design and Development. Point-of-Use Library Instruction. 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.