Indymedia.be. Improperia Benedictus XVI. Indymedia.be (2009/01/28).
Cita Chicago (17th ed.)Indymedia.be. "Improperia Benedictus XVI." Indymedia.be (2009/01/28) .
Cita MLA (8th ed.)Indymedia.be. "Improperia Benedictus XVI." Indymedia.be (2009/01/28), .
Atenció: Aquestes cites poden no estar 100% correctes.