VRAR PREM. (1998). PRODUCTIVITY MANAGEMENT: A SYSTEMATIC APPROACH. NAROSA PUBLISHING HOUSE.
Lua i Stíl Chicago (17ú heag.)VRAR PREM. PRODUCTIVITY MANAGEMENT: A SYSTEMATIC APPROACH. NEW DELHI: NAROSA PUBLISHING HOUSE, 1998.
Lua MLA (9ú heag.)VRAR PREM. PRODUCTIVITY MANAGEMENT: A SYSTEMATIC APPROACH. NAROSA PUBLISHING HOUSE, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.