(1997). Saints and sinners: Osman/Osmin/Osmond/Osmun/Ozmun by any spelling and some of their descendants / by Catherine Machan Martin.
Chicago-viite (17. p.)Saints and Sinners: Osman/Osmin/Osmond/Osmun/Ozmun by Any Spelling and Some of Their Descendants / by Catherine Machan Martin. 1997.
MLA-viite (9. p.)Saints and Sinners: Osman/Osmin/Osmond/Osmun/Ozmun by Any Spelling and Some of Their Descendants / by Catherine Machan Martin. 1997.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.