Gaya APA
Yulir, Y.
(2016).
Geografi 1 SMA Kelas X
(
ed.2)
.
Jakarta Timur:
Yudhistira.
Gaya MLA
Yulir, Yulmadia.
"Geografi 1 SMA Kelas X".
ed.2
Jakarta Timur:
Yudhistira,
2016.
Printed Book.