SHAW, J. (1969). Landscape studies. Longmans.
Chicago Style (17th ed.) ZitazioaSHAW, J.H. Landscape Studies. Victoria, Australia: Longmans, 1969.
MLA (9th ed.) ZitazioaSHAW, J.H. Landscape Studies. Longmans, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.