Gaya APA
Diamond, J.
(2018).
Guns, Germs & Steel (Bedil, Kuman & Baja)
(
Cet. 4)
.
Jakarta:
KPG.
Gaya MLA
Diamond, Jared.
"Guns, Germs & Steel (Bedil, Kuman & Baja)".
Cet. 4
Jakarta:
KPG,
2018.
Text.