Gaya APA
S.Pd.Si, E, S.
(2016).
OSN (Olimpiade Sains Nasional) Kimia
(
1)
.
Yogyakarta:
pustakabarupress.
Gaya MLA
S.Pd.Si, Enik, Suyahni,.
"OSN (Olimpiade Sains Nasional) Kimia".
1
Yogyakarta:
pustakabarupress,
2016.
Text.