Gaya APA
Chul, J, Y.
(2011).
Why ? Beetle & Stag Beetle
(
1)
.
Jakarta:
Elex Media Komputindo.
Gaya MLA
Chul, Jang, Young.
"Why ? Beetle & Stag Beetle".
1
Jakarta:
Elex Media Komputindo,
2011.
Ilmu Murni.