National Association of Australian State Road Authorities. (1970). Highway bridge design specification ([4th ed.].). NAASRA.
Cita Chicago (17th ed.)National Association of Australian State Road Authorities. Highway Bridge Design Specification. [4th ed.]. [Sydney]: NAASRA, 1970.
Cita MLA (8th ed.)National Association of Australian State Road Authorities. Highway Bridge Design Specification. [4th ed.]. NAASRA, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.