Gaya APA
Hemdi, Y. et al (2018).
Planet-Planet Hiasan Langit; Planets the Ornament of Sky .
jakarta timur:
PT Luxima Metro Media.
Gaya MLA
Hemdi, Yoli. et al.
"Planet-Planet Hiasan Langit; Planets the Ornament of Sky".
jakarta timur:
PT Luxima Metro Media,
2018.
Text.