Gaya APA
Harmadi, S, H, B., Nugroho, R.
(2020).
Population policy
.
Jakarta:
Gramedia Pustaka Utama.
Gaya MLA
Harmadi, Sonny, Harry, B.., Nugroho, Riant.
"Population policy".
Jakarta:
Gramedia Pustaka Utama,
2020.
Text.