Bean, W. J. (1973). Trees and shrubs hardy in the British Isles V.2 (8.). John Murray Publishers.
Chicago Style aipamenaBean, W J. Trees and Shrubs Hardy in the British Isles V.2. 8. London: John Murray Publishers, 1973.
MLA aipamenaBean, W J. Trees and Shrubs Hardy in the British Isles V.2. 8. John Murray Publishers, 1973.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.