Welch, B. (1999). Electronic Banking and Treasury Security (Second Edition). ELSEVIER.
Lua i Stíl Chicago (17ú heag.)Welch, Brian. Electronic Banking and Treasury Security (Second Edition). ELSEVIER, 1999.
Lua MLA (8ú heag.)Welch, Brian. Electronic Banking and Treasury Security (Second Edition). ELSEVIER, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.