National Association of Australian State Road Authorities. (1974). Guide to the selection and testing of gravel for pavement construction (2nd metric ed.). National Association of Australian State Road Authorities.
Chicago Style (17th ed.) CitationNational Association of Australian State Road Authorities. Guide to the Selection and Testing of Gravel for Pavement Construction. 2nd metric ed. Sydney: National Association of Australian State Road Authorities, 1974.
ציטוט MLANational Association of Australian State Road Authorities. Guide to the Selection and Testing of Gravel for Pavement Construction. 2nd metric ed. National Association of Australian State Road Authorities, 1974.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.