Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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