Purvis, R. L. (1994). Underwater bridge maintenance and repair. National Academy Press.
芝加哥风格引文Purvis, Ronald L. Underwater Bridge Maintenance and Repair. Washington, D.C: National Academy Press, 1994.
MLA引文Purvis, Ronald L. Underwater Bridge Maintenance and Repair. National Academy Press, 1994.
警告：这些引文格式不一定是100％准确.