Gaya APA

Higgins, R. (1981). United Nations Peacekeeping Documents and Commentary ; 4. Europe 1446 - 1979 . New York: Oxford University Press.

Gaya MLA

Higgins, Rosalyn. "United Nations Peacekeeping Documents and Commentary ; 4. Europe 1446 - 1979". New York: Oxford University Press, 1981. Text.