Allio, R. (1994). Practical Strategist. Harper Business.
Lua i Stíl Chicago (17ú heag.)Allio, Robert. Practical Strategist. New Delhi: Harper Business, 1994.
Lua MLA (9ú heag.)Allio, Robert. Practical Strategist. Harper Business, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.