Barker, E. (1953). Introduction to Steel Shipbuilding. McGraw-Hill.
Chicago Style aipamenaBarker, Elijah. Introduction to Steel Shipbuilding. New York: McGraw-Hill, 1953.
MLA aipamenaBarker, Elijah. Introduction to Steel Shipbuilding. McGraw-Hill, 1953.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.