Gaya APA
Sani, R, A., Fahruroji, .
(2016).
Persiapan olimpiade astronomi
(
Cet. 1)
.
Tangerang:
Tirasmart.
Gaya MLA
Sani, Ridwan, Abdulah., Fahruroji, .
"Persiapan olimpiade astronomi".
Cet. 1
Tangerang:
Tirasmart,
2016.
Text.