APA aipamena

Bell, S. (1993). Elements of visual design in the landscape. Spon Press.

Chicago Style aipamena

Bell, Simon. Elements of Visual Design in the Landscape. London: Spon Press, 1993.

MLA aipamena

Bell, Simon. Elements of Visual Design in the Landscape. Spon Press, 1993.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.