Gaya APA
Grolier Business Library : Investing in People. (2001).
Hongkong:
Grolier International, Inc.
Gaya Chicago
Grolier Business Library : Investing in People.
.
Hongkong:
Grolier International, Inc,
2001.
.
Gaya MLA
Grolier Business Library : Investing in People.
.
Hongkong:
Grolier International, Inc,
2001.
.
Gaya Turabian
Grolier Business Library : Investing in People.
Hongkong:
Grolier International, Inc,
2001.
.