APA ציטוט

Duncan Burn. (1961). The steel industry 1939-1959. Cambridge: Cambridge University Press.

Trích dẫn kiểu Chicago

Duncan Burn. The Steel Industry 1939-1959. Cambridge: Cambridge University Press, 1961.

ציטוט MLA

Duncan Burn. The Steel Industry 1939-1959. Cambridge: Cambridge University Press, 1961.