Gaya APA
Riana, D.
(2009).
Ensiklopedia dunia sains : jagat raya
(
cet. 1)
.
Bandung:
Three Midea.
Gaya MLA
Riana, Deny.
"Ensiklopedia dunia sains : jagat raya".
cet. 1
Bandung:
Three Midea,
2009.
Text.