Gaya APA
E.N., O, A. (2008).
Acceptance Tests for Surface Characteristics of Steel Strands in Prestressed Concrete .
Washington:
TRB.
Gaya MLA
E.N., Osborn, Andrew.
"Acceptance Tests for Surface Characteristics of Steel Strands in Prestressed Concrete".
Washington:
TRB,
2008.
Text.