Gaya APA
Allen, A.H.. (1978).
An Introduction to Prestressed Concrete .
:
Cement and Concrete Association.
Gaya Chicago
Allen, A.H..
An Introduction to Prestressed Concrete.
:
Cement and Concrete Association,
1978.
Text.
Gaya MLA
Allen, A.H..
An Introduction to Prestressed Concrete.
:
Cement and Concrete Association,
1978.
Text.
Gaya Turabian
Allen, A.H..
An Introduction to Prestressed Concrete.
:
Cement and Concrete Association,
1978.
Print.