APA (7th ed.) Zitazioa
(2006). Professional guide to assessment. Lippincott Williams & Wilkins.
Chicago Style (17th ed.) Zitazioa
Professional Guide to Assessment. Philadelphia: Lippincott Williams & Wilkins, 2006.
MLA (9th ed.) Zitazioa
Professional Guide to Assessment. Lippincott Williams & Wilkins, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.