Gaya APA
ASTM, . (1997).
1997 Annual Book of ASTM Standards. Section 4 Construction. Volume 04.01 Cement lime; gypsum .
:
ASTM.
Gaya MLA
ASTM, .
"1997 Annual Book of ASTM Standards. Section 4 Construction. Volume 04.01 Cement lime; gypsum".
:
ASTM,
1997.
Diorama.