Guilelmus <Arvernus>. (2012). [Guillelmi Alverni Opera homiletica] Opera homiletica. Brepols.
Cita Chicago (17th ed.)Guilelmus <Arvernus>. [Guillelmi Alverni Opera Homiletica] Opera Homiletica. Turnhout: Brepols, 2012.
Cita MLA (8th ed.)Guilelmus <Arvernus>. [Guillelmi Alverni Opera Homiletica] Opera Homiletica. Brepols, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.