Great Britain. Central Office of Information. Reference Division. (1970). Agriculture in Britain. H.M.S.O..
芝加哥风格引文Great Britain. Central Office of Information. Reference Division. Agriculture in Britain. London: H.M.S.O., 1970.
MLA引文Great Britain. Central Office of Information. Reference Division. Agriculture in Britain. H.M.S.O., 1970.
警告：这些引文格式不一定是100％准确.