Bunnett, R. (1965). Physical geography in diagrams. Longmans.
Chicago Style (17th ed.) ZitazioaBunnett, R.B. Physical Geography in Diagrams. London: Longmans, 1965.
MLA (9th ed.) ZitazioaBunnett, R.B. Physical Geography in Diagrams. Longmans, 1965.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.