APA
Matthews J., . (1987). Pulverized-fuel ash : its use in concrete . Part 1: material properties, British Standards and concrete strength. Garston,Watford: Building Research Establishment.
Chicago
Matthews J.D, . 1987. Pulverized-fuel ash : its use in concrete . Part 1: material properties, British Standards and concrete strength. Garston,Watford: Building Research Establishment.
Harvard
Matthews J., . (1987). Pulverized-fuel ash : its use in concrete . Part 1: material properties, British Standards and concrete strength. Garston,Watford: Building Research Establishment.
MLA
Matthews J.D, . Pulverized-fuel ash : its use in concrete . Part 1: material properties, British Standards and concrete strength. Garston,Watford: Building Research Establishment. 1987.
