Gaya APA
Williams, Alan. (2011).
Steel Structures Design .
New York:
McGraw-Hill.
Gaya Chicago
Williams, Alan.
Steel Structures Design.
New York:
McGraw-Hill,
2011.
Text.
Gaya MLA
Williams, Alan.
Steel Structures Design.
New York:
McGraw-Hill,
2011.
Text.
Gaya Turabian
Williams, Alan.
Steel Structures Design.
New York:
McGraw-Hill,
2011.
Print.