Ancestry. Generations Network Inc.
Chicago-viite (17. p.)Ancestry. Provo, Utah: Generations Network Inc.
MLA-viite (8. p.)Ancestry. Generations Network Inc.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.
Ancestry. Generations Network Inc.
Chicago-viite (17. p.)Ancestry. Provo, Utah: Generations Network Inc.
MLA-viite (8. p.)Ancestry. Generations Network Inc.