APA (7th ed.) Zitazioa
Derry, T. K. (1957). A short History of Norway. Allen and Unwin.
Chicago Style (17th ed.) Zitazioa
Derry, Thomas K. A Short History of Norway. London: Allen and Unwin, 1957.
MLA (9th ed.) Zitazioa
Derry, Thomas K. A Short History of Norway. Allen and Unwin, 1957.
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