APA aipamena

Purvis, R. L. (1994). Underwater bridge maintenance and repair. National Academy Press.

Chicago Style aipamena

Purvis, Ronald L. Underwater Bridge Maintenance and Repair. Washington, D.C: National Academy Press, 1994.

MLA aipamena

Purvis, Ronald L. Underwater Bridge Maintenance and Repair. National Academy Press, 1994.