Gaya APA
Newsletter, I, C. (2020).
Fertilizer Industry In Indonesia 2020 (No. 61 2020).
Jakarta:
Data Consult.
Gaya MLA
Newsletter, Indonesian, Commercial.
"Fertilizer Industry In Indonesia 2020".
No. 61 2020
Jakarta:
Data Consult,
2020.
Majalah/Terbitan Berseri.