Gaya APA
Primagama, .
(2015).
Smart Exercise Kelas 11 SMA IPS smt 2
.
Yogyakarta:
Primagama.
Gaya MLA
Primagama, .
"Smart Exercise Kelas 11 SMA IPS smt 2".
Yogyakarta:
Primagama,
2015.
Text.