Gaya APA
Joyner, Amy. (2007).
The Online Millionaire .
Amerika:
WileyPublishing.
Gaya Chicago
Joyner, Amy.
The Online Millionaire.
Amerika:
WileyPublishing,
2007.
Buku.
Gaya MLA
Joyner, Amy.
The Online Millionaire.
Amerika:
WileyPublishing,
2007.
Buku.
Gaya Turabian
Joyner, Amy.
The Online Millionaire.
Amerika:
WileyPublishing,
2007.
Buku.