APA

National Ass. of Australian State Road Authorities, . (1974). Guide to the selection and testing of gravel for pavement construction. Sydney: National Ass. of Australian State Road Authorities.

Chicago

National Ass. of Australian State Road Authorities, . 1974. Guide to the selection and testing of gravel for pavement construction. Sydney: National Ass. of Australian State Road Authorities.

Harvard

National Ass. of Australian State Road Authorities, . (1974). Guide to the selection and testing of gravel for pavement construction. Sydney: National Ass. of Australian State Road Authorities.

MLA

National Ass. of Australian State Road Authorities, . Guide to the selection and testing of gravel for pavement construction. Sydney: National Ass. of Australian State Road Authorities. 1974.