Deumlich, F., & Faig, W. (1982). Surveying instruments. W. de Gruyter.
芝加哥风格引文Deumlich, Fritz, 与 Wolfgang Faig. Surveying Instruments. Berlin ; New York: W. de Gruyter, 1982.
MLA引文Deumlich, Fritz, 与 Wolfgang Faig. Surveying Instruments. W. de Gruyter, 1982.
警告：这些引文格式不一定是100％准确.