APA (7th ed.) Zitazioa
Theory of modern steel structues / Grinter, Linton E: The Macmillon Company.
Chicago Style (17th ed.) Zitazioa
Theory of Modern Steel Structues / Grinter, Linton E: The Macmillon Company.
MLA (9th ed.) Zitazioa
Theory of Modern Steel Structues / Grinter, Linton E: The Macmillon Company.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.