Gaya APA
Halson, Roger. (2001).
Contract law .
London:
Pearson Education Limited.
Gaya Chicago
Halson, Roger.
Contract law.
London:
Pearson Education Limited,
2001.
Text.
Gaya MLA
Halson, Roger.
Contract law.
London:
Pearson Education Limited,
2001.
Text.
Gaya Turabian
Halson, Roger.
Contract law.
London:
Pearson Education Limited,
2001.
Print.