Gaya APA
Bijou,. (s.a).
Bill gates .
s.l:
PT. Elex Media Komputindo.
Gaya Chicago
Bijou,.
Bill gates.
s.l:
PT. Elex Media Komputindo,
s.a.
Text.
Gaya MLA
Bijou,.
Bill gates.
s.l:
PT. Elex Media Komputindo,
s.a.
Text.
Gaya Turabian
Bijou,.
Bill gates.
s.l:
PT. Elex Media Komputindo,
s.a.
Print.