Andler, E. C., & Herbst, D. (2003). The complete reference checking handbook: The proven (and legal) way to prevent hiring mistakes (2nd ed.). American Management Association.
Lua i Stíl Chicago (17ú heag.)Andler, Edward C., agus Dara Herbst. The Complete Reference Checking Handbook: The Proven (and Legal) Way to Prevent Hiring Mistakes. 2nd ed. New York: American Management Association, 2003.
Lua MLA (9ú heag.)Andler, Edward C., agus Dara Herbst. The Complete Reference Checking Handbook: The Proven (and Legal) Way to Prevent Hiring Mistakes. 2nd ed. American Management Association, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.