Penggayaan APA
Civil Engineering. (2013).
Medan:
Springer.
Chicago Style
Civil Engineering.
Volume 17, Issue 4.
Medan:
Springer,
2013.
Jurnal.
MLA Style
Civil Engineering.
Volume 17, Issue 4.
Medan:
Springer,
2013.
Jurnal.
Turabian Style
Civil Engineering.
Medan:
Springer,
2013.
Jurnal.