Hagberg, J., & Leider, R. (1988). The inventurers: Excursions in life and career renewal (3rd ed.). Addison-Wesley.
Citazione stile Chigago Style (17a edizione)Hagberg, Janet, e Richard Leider. The Inventurers: Excursions in Life and Career Renewal. 3rd ed. Reading, Mass: Addison-Wesley, 1988.
Citatione MLA (9a ed.)Hagberg, Janet, e Richard Leider. The Inventurers: Excursions in Life and Career Renewal. 3rd ed. Addison-Wesley, 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.