Gaya APA
ASTM, .
(2006).
Annual Book of ASTM Standards 2006 Section Four Construction (volume 04.09)
.
New York:
ASTM.
Gaya MLA
ASTM, .
"Annual Book of ASTM Standards 2006 Section Four Construction (volume 04.09)".
New York:
ASTM,
2006.
Text.