Gaya APA
Holden, Greg. (2015).
Starting an Online Business (7th ed.).
Amerika:
Willey.
Gaya Chicago
Holden, Greg.
Starting an Online Business.
7th ed.
Amerika:
Willey,
2015.
Text.
Gaya MLA
Holden, Greg.
Starting an Online Business.
7th ed.
Amerika:
Willey,
2015.
Text.
Gaya Turabian
Holden, Greg.
Starting an Online Business.
7th ed.
Amerika:
Willey,
2015.
Print.