Westerman, J., & Donoghue, P. (1989). Managing the human resource. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)Westerman, John, agus Pauline Donoghue. Managing the Human Resource. New York: Prentice-Hall, 1989.
Lua MLA (9ú heag.)Westerman, John, agus Pauline Donoghue. Managing the Human Resource. Prentice-Hall, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.