David Fred R. (2017). Strategic Management Concepts (16.). Pearson.
Lua i Stíl Chicago (17ú heag.)David Fred R. Strategic Management Concepts. 16. Noida: Pearson, 2017.
Lua MLA (9ú heag.)David Fred R. Strategic Management Concepts. 16. Pearson, 2017.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.