Lua APA (7ú heag.)

Porter, M. E. (1998). Competitive Advantage (6th.). Tata McGraw-Hill Publishing Company Ltd.

Lua i Stíl Chicago (17ú heag.)

Porter, Michael E. Competitive Advantage. 6th. New Delhi: Tata McGraw-Hill Publishing Company Ltd, 1998.

Lua MLA (9ú heag.)

Porter, Michael E. Competitive Advantage. 6th. Tata McGraw-Hill Publishing Company Ltd, 1998.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.