APA (7th ed.) Zitazioa
BECKER, R. (1987). THE READING-FREE VOCATIONAL INTEREST INVENTORY: A TYPOLOGY OF VOCATIONAL CLUSTERS.
Chicago Style (17th ed.) Zitazioa
BECKER, R.L. THE READING-FREE VOCATIONAL INTEREST INVENTORY: A TYPOLOGY OF VOCATIONAL CLUSTERS. 1987.
MLA (9th ed.) Zitazioa
BECKER, R.L. THE READING-FREE VOCATIONAL INTEREST INVENTORY: A TYPOLOGY OF VOCATIONAL CLUSTERS. 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.