APA-Zitierstil (7. Ausg.)

Witheford, D. K. (1999). Consultants for DOT preconstruction engineering work. National Academy Press.

Chicago-Zitierstil (17. Ausg.)

Witheford, David K. Consultants for DOT Preconstruction Engineering Work. Washington, D.C: National Academy Press, 1999.

MLA-Zitierstil (9. Ausg.)

Witheford, David K. Consultants for DOT Preconstruction Engineering Work. National Academy Press, 1999.