Gaya APA
Materials, A, S, F, T, &. (1998).
1998 Annual Book Of ASTM Standards Section 11 Volume 11.03: Atmospheric Analysis .
United States of America:
American Society for Testing & Materials.
Gaya MLA
Materials, American, Society, For, Testing, &.
"1998 Annual Book Of ASTM Standards Section 11 Volume 11.03: Atmospheric Analysis".
United States of America:
American Society for Testing & Materials,
1998.
Text.