Columbus, K. o. (1919). Commendatory letters and statements of Cardinals, Archbishops and Bishops concerning the War and welfare work of the Knights of Columbus. New Haven, Conn..
Chicago-viite (17. p.)Columbus, Knights of. Commendatory Letters and Statements of Cardinals, Archbishops and Bishops Concerning the War and Welfare Work of the Knights of Columbus. New Haven, Conn., 1919.
MLA-viite (8. p.)Columbus, Knights of. Commendatory Letters and Statements of Cardinals, Archbishops and Bishops Concerning the War and Welfare Work of the Knights of Columbus. New Haven, Conn., 1919.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.