Gaya APA
OSN, M, A, P.
().
GRAND MASTER OSN IPA SMP/MTS
.
JAKARTA:
EDU PENGUIN.
Gaya MLA
OSN, MASTER, AKADEMISI, PEMBIMBING.
"GRAND MASTER OSN IPA SMP/MTS".
JAKARTA:
EDU PENGUIN,
.
Art Original.