Gaya APA
Business Portfolio Management. (2001).
158.1:
2008.
Gaya Chicago
Business Portfolio Management.
Kesatu.
158.1:
2008,
2001.
Text.
Gaya MLA
Business Portfolio Management.
Kesatu.
158.1:
2008,
2001.
Text.
Gaya Turabian
Business Portfolio Management.
158.1:
2008,
2001.
Print.