Gaya APA
Hedges, Roy. (2005).
Grolier Business Library : managing credit .
Hongkong:
Grolier International.
Gaya Chicago
Hedges, Roy.
Grolier Business Library : managing credit.
Hongkong:
Grolier International,
2005.
Text.
Gaya MLA
Hedges, Roy.
Grolier Business Library : managing credit.
Hongkong:
Grolier International,
2005.
Text.
Gaya Turabian
Hedges, Roy.
Grolier Business Library : managing credit.
Hongkong:
Grolier International,
2005.
Print.