APA (7th ed.) Zitazioa
ebrary, Inc. (2006). The Hutchinson world weather guide. Helicon Pub..
Chicago Style (17th ed.) Zitazioa
ebrary, Inc. The Hutchinson World Weather Guide. Oxon: Helicon Pub., 2006.
MLA (9th ed.) Zitazioa
ebrary, Inc. The Hutchinson World Weather Guide. Helicon Pub., 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.