ANSOFF HIGOR. (1988). CORPORATE STRATEGY. PENGUIN BOOKS INDIA (P) LTD.
Lua i Stíl Chicago (17ú heag.)ANSOFF HIGOR. CORPORATE STRATEGY. LONDON: PENGUIN BOOKS INDIA (P) LTD, 1988.
Lua MLA (9ú heag.)ANSOFF HIGOR. CORPORATE STRATEGY. PENGUIN BOOKS INDIA (P) LTD, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.