Bruhns. (1970). A New manual of logarithms to seven palces of decimals. d. van nostrand company, inc.
芝加哥风格引文Bruhns. A New Manual of Logarithms to Seven Palces of Decimals. London: d. van nostrand company, inc, 1970.
MLA引文Bruhns. A New Manual of Logarithms to Seven Palces of Decimals. d. van nostrand company, inc, 1970.
警告：这些引文格式不一定是100％准确.