Cita APA (7th ed.)

Najafi, M., & Gokhale, S. (2005). Trenchless technology: Pipeline and utility design, construction, and renewal. McGraw-Hill.

Cita Chicago (17th ed.)

Najafi, Mohammad, i Sanjiv Gokhale. Trenchless Technology: Pipeline and Utility Design, Construction, and Renewal. New York: McGraw-Hill, 2005.

Cita MLA (9th ed.)

Najafi, Mohammad, i Sanjiv Gokhale. Trenchless Technology: Pipeline and Utility Design, Construction, and Renewal. McGraw-Hill, 2005.