Gaya APA
Wilby, C. B.. (1983).
Structural Concrete .
England:
Butterworth.
Gaya Chicago
Wilby, C. B..
Structural Concrete.
England:
Butterworth,
1983.
Text.
Gaya MLA
Wilby, C. B..
Structural Concrete.
England:
Butterworth,
1983.
Text.
Gaya Turabian
Wilby, C. B..
Structural Concrete.
England:
Butterworth,
1983.
Print.