Super, D. E. (1957). The psychology of careers: An introduction to vocational development. Harper & Row.
Citazione stile Chigago Style (17a edizione)Super, Donald E. The Psychology of Careers: An Introduction to Vocational Development. Nueva York: Harper & Row, 1957.
Citatione MLA (9a ed.)Super, Donald E. The Psychology of Careers: An Introduction to Vocational Development. Harper & Row, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.