APA
National Ass. of Australian State Road Authorities, . (1975). Road maintenance practice. Sydney: National Ass. of Australian State Road Authorities.
Chicago
National Ass. of Australian State Road Authorities, . 1975. Road maintenance practice. Sydney: National Ass. of Australian State Road Authorities.
Harvard
National Ass. of Australian State Road Authorities, . (1975). Road maintenance practice. Sydney: National Ass. of Australian State Road Authorities.
MLA
National Ass. of Australian State Road Authorities, . Road maintenance practice. Sydney: National Ass. of Australian State Road Authorities. 1975.