Gaya APA
Authorities, N, A, O, A, S, R. (1976).
Guide to Traffic Engineering Practice (Fourth Edition).
Sydney:
National Association of Australian State Road Authorities.
Gaya MLA
Authorities, National, Association, Of, Australian, State, Road.
"Guide to Traffic Engineering Practice".
Fourth Edition
Sydney:
National Association of Australian State Road Authorities,
1976.
Text.