Jenkins, J. (1981). Materials for learning: How to teach adults at a distance. Routledge.
Citazione stile Chigago Style (17a edizione)Jenkins, Janet. Materials for Learning: How to Teach Adults at a Distance. London: Routledge, 1981.
Citatione MLA (9a ed.)Jenkins, Janet. Materials for Learning: How to Teach Adults at a Distance. Routledge, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.