Werner, C. M. (2000). Annette Kolb: Charlotte Marlo Werner. Helmer.
Cita Chicago (17th ed.)Werner, Charlotte Marlo. Annette Kolb: Charlotte Marlo Werner. Königstein/Taunus: Helmer, 2000.
Cita MLA (8th ed.)Werner, Charlotte Marlo. Annette Kolb: Charlotte Marlo Werner. Helmer, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.