Gaya APA
Hemdi, Y. (2018).
Kecermelangan Komet, meteor dan Asteroid : The Brightness of Comet, Meteor and Asteroid .
Jakarta Timur:
Luxima.
Gaya MLA
Hemdi, Yoli.
"Kecermelangan Komet, meteor dan Asteroid : The Brightness of Comet, Meteor and Asteroid".
Jakarta Timur:
Luxima,
2018.
Text.