Gaya APA
Institution, B, S. (1982).
Pulverized - fuel ash. Part 1. Specification for pulverized-fuel ash for use as a cementitious component in structural concrete .
:
BSI.
Gaya MLA
Institution, British, Standards.
"Pulverized - fuel ash. Part 1. Specification for pulverized-fuel ash for use as a cementitious component in structural concrete".
:
BSI,
1982.
Diorama.