Gaya APA
Annual Book of ASTM Standards 2006.Section 2 Volume 02.01 : Non Terrous Metal Products. (2006).
:
ASTM International.
Gaya MLA
Annual Book of ASTM Standards 2006.Section 2 Volume 02.01 : Non Terrous Metal Products.
.
:
ASTM International,
2006.
Text.