British Standards Institution. (1965). Recommendations for symbols for languages, geographical areas and authorities. The Institution.
芝加哥风格引文British Standards Institution. Recommendations for Symbols for Languages, Geographical Areas and Authorities. London: The Institution, 1965.
MLA引文British Standards Institution. Recommendations for Symbols for Languages, Geographical Areas and Authorities. The Institution, 1965.
警告：这些引文格式不一定是100％准确.