Bernd Völkle.

MLA

Koepplin, Dieter. Bernd Völkle. Basel: Galerie Carzaniga & Ueker, 1991.

APA

Koepplin, D. (1991). Bernd Völkle. Basel: Galerie Carzaniga & Ueker.

Chicago

Koepplin, Dieter Bernd Völkle. Basel: Galerie Carzaniga & Ueker, 1991.