APA (7th ed.) Zitazioa
Harper, S. (1987). Personnel management handbook. Gower Pub. Co..
Chicago Style (17th ed.) Zitazioa
Harper, Sally. Personnel Management Handbook. Aldershot, Hants, England ; Brookfield, Vt., USA: Gower Pub. Co., 1987.
MLA (9th ed.) Zitazioa
Harper, Sally. Personnel Management Handbook. Gower Pub. Co., 1987.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.