ROLAND. (1997). PROJECT MANAGEMENT: THE PEOPLE CHALLENGE. JAICO PUBLISHING HOUSE.
Lua i Stíl Chicago (17ú heag.)ROLAND. PROJECT MANAGEMENT: THE PEOPLE CHALLENGE. MUMBAI: JAICO PUBLISHING HOUSE, 1997.
Lua MLA (9ú heag.)ROLAND. PROJECT MANAGEMENT: THE PEOPLE CHALLENGE. JAICO PUBLISHING HOUSE, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.