HOLTZ, R. D., & KOVACS, W. D. (1981). An introduction to geotechnical engineering. Prentice-hall.
芝加哥风格引文HOLTZ, Robert D., 与 William D. KOVACS. An Introduction to Geotechnical Engineering. New Jersey: Prentice-hall, 1981.
MLA引文HOLTZ, Robert D., 与 William D. KOVACS. An Introduction to Geotechnical Engineering. Prentice-hall, 1981.
警告：这些引文格式不一定是100％准确.