Linda S. Spedding. (2009). Due Diligence Handbook. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Linda S. Spedding. Due Diligence Handbook. ELSEVIER, 2009.
Lua MLA (8ú heag.)Linda S. Spedding. Due Diligence Handbook. ELSEVIER, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.