Behrens, R. (1997). On Music in nature and nature in music: Roger Behrens. Issues in contemporary culture and aesthetics.
Chicago-Zitierstil (17. Ausg.)Behrens, Roger. "On Music in Nature and Nature in Music: Roger Behrens." Issues in Contemporary Culture and Aesthetics 1997.
MLA-Zitierstil (8. Ausg.)Behrens, Roger. "On Music in Nature and Nature in Music: Roger Behrens." Issues in Contemporary Culture and Aesthetics, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.