Encyclopedia of mystery and detection. c1976.
Chicago-viite (17. p.)Encyclopedia of Mystery and Detection. San Diego: c1976.
MLA-viite (9. p.)Encyclopedia of Mystery and Detection. c1976.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.
Encyclopedia of mystery and detection. c1976.
Chicago-viite (17. p.)Encyclopedia of Mystery and Detection. San Diego: c1976.
MLA-viite (9. p.)Encyclopedia of Mystery and Detection. c1976.