Gaya APA
Johnston, Bruce G. (1986).
Basic steel design .
London:
Prentice-Hall.
Gaya Chicago
Johnston, Bruce G.
Basic steel design.
London:
Prentice-Hall,
1986.
Text.
Gaya MLA
Johnston, Bruce G.
Basic steel design.
London:
Prentice-Hall,
1986.
Text.
Gaya Turabian
Johnston, Bruce G.
Basic steel design.
London:
Prentice-Hall,
1986.
Print.