Gaya APA
Riana, D.
(2009).
Ensiklopedi Dunia Sains 2 : Jagat Raya
.
Bandung:
ThreeMidea Publishing.
Gaya MLA
Riana, Deny.
"Ensiklopedi Dunia Sains 2 : Jagat Raya".
Bandung:
ThreeMidea Publishing,
2009.
Text.