Gaya APA
Hedges, Roy. (1999).
Groiler Business Library : managing Credit .
Hongkong:
Grolier International.
Gaya Chicago
Hedges, Roy.
Groiler Business Library : managing Credit.
Hongkong:
Grolier International,
1999.
Text.
Gaya MLA
Hedges, Roy.
Groiler Business Library : managing Credit.
Hongkong:
Grolier International,
1999.
Text.
Gaya Turabian
Hedges, Roy.
Groiler Business Library : managing Credit.
Hongkong:
Grolier International,
1999.
Print.