APA
Nixon P. J., Gutt W., . (1981). The manufacture of synthetic aggregates from colliery spoil. Garston, Watford: Building Research Establishment.
Chicago
Nixon P J, Gutt W, . 1981. The manufacture of synthetic aggregates from colliery spoil. Garston, Watford: Building Research Establishment.
Harvard
Nixon P. J., Gutt W., . (1981). The manufacture of synthetic aggregates from colliery spoil. Garston, Watford: Building Research Establishment.
MLA
Nixon P J, Gutt W, . The manufacture of synthetic aggregates from colliery spoil. Garston, Watford: Building Research Establishment. 1981.