Lua APA (7ú heag.)
Helm, M., & Helm, A. L. (2014). Genealogy online for dummies (Seventh edition.). John Wiley & Sons, Inc..
Lua i Stíl Chicago (17ú heag.)
Helm, Matthew, agus April Leigh Helm. Genealogy Online for Dummies. Seventh edition. Hoboken, New Jersey: John Wiley & Sons, Inc., 2014.
Lua MLA (9ú heag.)
Helm, Matthew, agus April Leigh Helm. Genealogy Online for Dummies. Seventh edition. John Wiley & Sons, Inc., 2014.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.