APA-viite (7. p.)
Bartell, E. (19). Costs and benefits of catholic elementary and secondary schools.
Chicago-viite (17. p.)
Bartell, Ernest. Costs and Benefits of Catholic Elementary and Secondary Schools. 19.
MLA-viite (9. p.)
Bartell, Ernest. Costs and Benefits of Catholic Elementary and Secondary Schools. 19.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.