APA (7e ed.) Bronvermelding

Halgmann, B. (1998). Frottage - shaping the ungraspable: Birgit Halgmann. Issues in contemporary culture and aesthetics.

Chicago (17e ed.) Bronvermelding

Halgmann, Birgit. "Frottage - Shaping the Ungraspable: Birgit Halgmann." Issues in Contemporary Culture and Aesthetics 1998.

MLA (8e ed.) Bronvermelding

Halgmann, Birgit. "Frottage - Shaping the Ungraspable: Birgit Halgmann." Issues in Contemporary Culture and Aesthetics, 1998.

Let op: Deze citaties zijn niet altijd 100% accuraat.