Citazione Stile APA (7a Edizione)

Ellis, D. (2003). Career planning (3rd ed.). Houghton Mifflin.

Citazione stile Chigago Style (17a edizione)

Ellis, Dave. Career Planning. 3rd ed. Boston: Houghton Mifflin, 2003.

Citatione MLA (9a ed.)

Ellis, Dave. Career Planning. 3rd ed. Houghton Mifflin, 2003.