Campbell, A. W. (1991). Law of sentencing (2nd ed.). Clark Boardman Callaghan.
Chicago-viite (17. p.)Campbell, Arthur W. Law of Sentencing. 2nd ed. Deerfield, Ill: Clark Boardman Callaghan, 1991.
MLA-viite (9. p.)Campbell, Arthur W. Law of Sentencing. 2nd ed. Clark Boardman Callaghan, 1991.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.