Gaya APA

Najafi, M., Gokhale, S. (2004). Trenchless Technology: Pipeline and Utility Design, Construction, and Renewal (-). New York: McGraw-Hill.

Gaya MLA

Najafi, Mohammad., Gokhale, Sanjiv. "Trenchless Technology: Pipeline and Utility Design, Construction, and Renewal". - New York: McGraw-Hill, 2004. Text.