Gaya APA
Keating, Donald. (2001).
Keating on building contracts (7th.ed).
London:
Sweet.
Gaya Chicago
Keating, Donald.
Keating on building contracts.
7th.ed
London:
Sweet,
2001.
Text.
Gaya MLA
Keating, Donald.
Keating on building contracts.
7th.ed
London:
Sweet,
2001.
Text.
Gaya Turabian
Keating, Donald.
Keating on building contracts.
7th.ed
London:
Sweet,
2001.
Print.