Gaya APA
1981 annual book of ASTM standars : steel-piping, turbin, fitting. (1981).
:
American Society For Testing and Materials.
Gaya Chicago
1981 annual book of ASTM standars : steel-piping, turbin, fitting.
Part 1.
:
American Society For Testing and Materials,
1981.
Text.
Gaya MLA
1981 annual book of ASTM standars : steel-piping, turbin, fitting.
Part 1.
:
American Society For Testing and Materials,
1981.
Text.
Gaya Turabian
1981 annual book of ASTM standars : steel-piping, turbin, fitting.
:
American Society For Testing and Materials,
1981.
Print.