Gaya APA
Gamma, T, W.
(2017).
Smart Coach UN&USBN IPS
(
Cet.1)
.
Bandung:
Yrama Widya.
Gaya MLA
Gamma, Tim, Widya.
"Smart Coach UN&USBN IPS".
Cet.1
Bandung:
Yrama Widya,
2017.
Text.