Halgmann, B. (1998). Frottage - shaping the ungraspable: Birgit Halgmann. Issues in contemporary culture and aesthetics.
Cita Chicago Style (17a ed.)Halgmann, Birgit. "Frottage - Shaping the Ungraspable: Birgit Halgmann." Issues in Contemporary Culture and Aesthetics 1998.
Cita MLA (8a ed.)Halgmann, Birgit. "Frottage - Shaping the Ungraspable: Birgit Halgmann." Issues in Contemporary Culture and Aesthetics, 1998.
Precaución: Estas citas no son 100% exactas.