APA (7th ed.) Zitazioa

ebrary, Inc. (1989). An International directory of building research organizations. National Academy Press.

Chicago Style (17th ed.) Zitazioa

ebrary, Inc. An International Directory of Building Research Organizations. Washington, D.C.: National Academy Press, 1989.

MLA (9th ed.) Zitazioa

ebrary, Inc. An International Directory of Building Research Organizations. National Academy Press, 1989.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.