APA-viite (7. p.)
Holdhusen, D. (2011). Commitment to musical excellence: A 75 year history of the Gustavus choir. Cambridge Scholars Publishing.
Chicago-viite (17. p.)
Holdhusen, David. Commitment to Musical Excellence: A 75 Year History of the Gustavus Choir. Newcastle upon Tyne: Cambridge Scholars Publishing, 2011.
MLA-viite (9. p.)
Holdhusen, David. Commitment to Musical Excellence: A 75 Year History of the Gustavus Choir. Cambridge Scholars Publishing, 2011.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.