SINGH A K. (2003). DEVELOPING LEADERS, TEAMS AND ORGANIZATIONS. EXCEL BOOK.
Lua i Stíl Chicago (17ú heag.)SINGH A K. DEVELOPING LEADERS, TEAMS AND ORGANIZATIONS. NEW DELHI: EXCEL BOOK, 2003.
Lua MLA (9ú heag.)SINGH A K. DEVELOPING LEADERS, TEAMS AND ORGANIZATIONS. EXCEL BOOK, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.