Canfield, M. P. (1972). Instructional Materials: Design and Development. Library Pathfinders.
Citazione stile Chigago Style (17a edizione)Canfield, Marie P. Instructional Materials: Design and Development. Library Pathfinders. 1972.
Citatione MLA (9a ed.)Canfield, Marie P. Instructional Materials: Design and Development. Library Pathfinders. 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.