APA (7e ed.) Bronvermelding

National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, National Cooperative Highway Research Program, & McGrath, T. J. (2002). Recommended specifications for large-span culverts. National Academy Press.

Chicago (17e ed.) Bronvermelding

National Research Council (U.S.). Transportation Research Board, American Association of State Highway and Transportation Officials, United States. Federal Highway Administration, National Cooperative Highway Research Program, en T. J. McGrath. Recommended Specifications for Large-span Culverts. Washington, D.C: National Academy Press, 2002.

MLA (9e ed.) Bronvermelding

National Research Council (U.S.). Transportation Research Board, et al. Recommended Specifications for Large-span Culverts. National Academy Press, 2002.