Riddle, J. F. (1990). Measuring Affective Change: Students in a Distance Education Class.
Citazione stile Chigago Style (17a edizione)Riddle, Joy F. Measuring Affective Change: Students in a Distance Education Class. 1990.
Citatione MLA (9a ed.)Riddle, Joy F. Measuring Affective Change: Students in a Distance Education Class. 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.