Epstein, B., & Epstein, S. (1960). The first book of measurement. Watts, F.
芝加哥风格引文Epstein, Beryl, 与 Sam Epstein. The First Book of Measurement. [S.l.]: Watts, F, 1960.
MLA引文Epstein, Beryl, 与 Sam Epstein. The First Book of Measurement. Watts, F, 1960.
警告：这些引文格式不一定是100％准确.