Dean Paxson. (2003). Real R & D Options. ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Dean Paxson. Real R & D Options. ELSEVIER, 2003.
Lua MLA (8ú heag.)Dean Paxson. Real R & D Options. ELSEVIER, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.