Gaya APA
Keenan, Denis, Riches, Sarah. (2002).
Business law (6th.ed.).
London:
Pearson.
Gaya Chicago
Keenan, Denis, Riches, Sarah.
Business law.
6th.ed.
London:
Pearson,
2002.
Text.
Gaya MLA
Keenan, Denis, Riches, Sarah.
Business law.
6th.ed.
London:
Pearson,
2002.
Text.
Gaya Turabian
Keenan, Denis, Riches, Sarah.
Business law.
6th.ed.
London:
Pearson,
2002.
Print.