Gaya APA
ASTM, . (2006).
ASTM D 4759 - 02 Standard practice for determining the specification conformance of geosynthetics .
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ASTM.
Gaya MLA
ASTM, .
"ASTM D 4759 - 02 Standard practice for determining the specification conformance of geosynthetics".
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ASTM,
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Diorama.