Schofield, W. (1993). Engineering surveying: Theory and examination problems for students (4th ed.). Butterworth-Heinemann.
芝加哥风格引文Schofield, W. Engineering Surveying: Theory and Examination Problems for Students. 4th ed. Oxford [England]: Butterworth-Heinemann, 1993.
MLA引文Schofield, W. Engineering Surveying: Theory and Examination Problems for Students. 4th ed. Butterworth-Heinemann, 1993.
警告：这些引文格式不一定是100％准确.