APA-viite (7. p.)
Contreni, J. J. (1978). The Cathedral School of Laon from 850 to 930: Its manuscripts and masters. Arbeo-Ges.
Chicago-viite (17. p.)
Contreni, John J. The Cathedral School of Laon from 850 to 930: Its Manuscripts and Masters. München: Arbeo-Ges, 1978.
MLA-viite (9. p.)
Contreni, John J. The Cathedral School of Laon from 850 to 930: Its Manuscripts and Masters. Arbeo-Ges, 1978.
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