WHITTINGTON R. (1994). WHAT IS STRATEGY & RESOURCES OPTION. HIMALAYA PUB.
Lua i Stíl Chicago (17ú heag.)WHITTINGTON R. WHAT IS STRATEGY & RESOURCES OPTION. BOMBAY: HIMALAYA PUB, 1994.
Lua MLA (9ú heag.)WHITTINGTON R. WHAT IS STRATEGY & RESOURCES OPTION. HIMALAYA PUB, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.