Gaya APA
ASTM, . (2006).
ASTM D 6884 - 03 Standard practice for installation of articulating concrete block (ACB) revetment systems .
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ASTM.
Gaya MLA
ASTM, .
"ASTM D 6884 - 03 Standard practice for installation of articulating concrete block (ACB) revetment systems".
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ASTM,
2006.
Diorama.