Halgmann, B. (1997). On landscape: Birgit Halgmann. Issues in contemporary culture and aesthetics.
Chicago-Zitierstil (17. Ausg.)Halgmann, Birgit. "On Landscape: Birgit Halgmann." Issues in Contemporary Culture and Aesthetics 1997.
MLA-Zitierstil (8. Ausg.)Halgmann, Birgit. "On Landscape: Birgit Halgmann." Issues in Contemporary Culture and Aesthetics, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.