Gaya APA
ASTM, . (2006).
ASTM D 4354 - 99 (reapproved 2004) Standard practice for sampling of geosynthetics for testing .
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ASTM.
Gaya MLA
ASTM, .
"ASTM D 4354 - 99 (reapproved 2004) Standard practice for sampling of geosynthetics for testing".
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ASTM,
2006.
Diorama.