Gaya APA
Billington, David P.. (1982).
Thin Shell Concrete Structures .
:
McGraw-Hill Book Co..
Gaya Chicago
Billington, David P..
Thin Shell Concrete Structures.
:
McGraw-Hill Book Co.,
1982.
Text.
Gaya MLA
Billington, David P..
Thin Shell Concrete Structures.
:
McGraw-Hill Book Co.,
1982.
Text.
Gaya Turabian
Billington, David P..
Thin Shell Concrete Structures.
:
McGraw-Hill Book Co.,
1982.
Print.