Ammann, J. (2005). Stefan Exler: Olga Bergholz, Carole Pateman, Claudia Lender. Hamburger Kunsthalle.
Cita Chicago (17th ed.)Ammann, Jean-Christophe. Stefan Exler: Olga Bergholz, Carole Pateman, Claudia Lender. Hamburg: Hamburger Kunsthalle, 2005.
Cita MLA (8th ed.)Ammann, Jean-Christophe. Stefan Exler: Olga Bergholz, Carole Pateman, Claudia Lender. Hamburger Kunsthalle, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.