Langaster, R. (2001). Perfect plant, perfect place. London: Dorling Kindersley.
Chicago Style aipamenaLangaster, Roy. Perfect Plant, Perfect Place. London: Dorling Kindersley, 2001.
MLA aipamenaLangaster, Roy. Perfect Plant, Perfect Place. London: Dorling Kindersley, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.