Eiben , R. (1972). Educational Change: A humanistic approach. University associates.
Citazione stile Chigago Style (17a edizione)Eiben , Ray. Educational Change: A Humanistic Approach. Lajella, Calif: University associates, 1972.
Citatione MLA (9a ed.)Eiben , Ray. Educational Change: A Humanistic Approach. University associates, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.