LUDLOW, R. (1991). The Essence Of Successful Staff Selection / Ron Ludlow. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)LUDLOW, Ron. The Essence Of Successful Staff Selection / Ron Ludlow. Prentice-Hall, 1991.
Lua MLA (8ú heag.)LUDLOW, Ron. The Essence Of Successful Staff Selection / Ron Ludlow. Prentice-Hall, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.