Gaya APA
Richards, Paul. (2002).
Law of contract (5th.ed).
London:
Pearson.
Gaya Chicago
Richards, Paul.
Law of contract.
5th.ed
London:
Pearson,
2002.
Text.
Gaya MLA
Richards, Paul.
Law of contract.
5th.ed
London:
Pearson,
2002.
Text.
Gaya Turabian
Richards, Paul.
Law of contract.
5th.ed
London:
Pearson,
2002.
Print.