Gaya APA
Whitlow, R.. (1991).
Materials and structures (4th ed).
London:
Longman.
Gaya Chicago
Whitlow, R..
Materials and structures.
4th ed
London:
Longman,
1991.
Text.
Gaya MLA
Whitlow, R..
Materials and structures.
4th ed
London:
Longman,
1991.
Text.
Gaya Turabian
Whitlow, R..
Materials and structures.
4th ed
London:
Longman,
1991.
Print.