Gaya APA
Hemdi, Y. (2018).
Planet-planet hiasan langit ( planets the ornament of sky ) (Cet.1).
Jakarta Timur:
PT.Luxima.
Gaya MLA
Hemdi, Yoli.
"Planet-planet hiasan langit ( planets the ornament of sky )".
Cet.1
Jakarta Timur:
PT.Luxima,
2018.
BUKU TEKS.