APA

National Crushed Stone Assoc, . (1984). Crushed stone for road and strret construction and reconstruction. Conference June 14-15, 1984, Arlington, Virginia. Proceedings. Washington: National Crushed Stone Assoc.

Chicago

National Crushed Stone Assoc, . 1984. Crushed stone for road and strret construction and reconstruction. Conference June 14-15, 1984, Arlington, Virginia. Proceedings. Washington: National Crushed Stone Assoc.

Harvard

National Crushed Stone Assoc, . (1984). Crushed stone for road and strret construction and reconstruction. Conference June 14-15, 1984, Arlington, Virginia. Proceedings. Washington: National Crushed Stone Assoc.

MLA

National Crushed Stone Assoc, . Crushed stone for road and strret construction and reconstruction. Conference June 14-15, 1984, Arlington, Virginia. Proceedings. Washington: National Crushed Stone Assoc. 1984.