Gaya APA
Becklake,dkk, S., M.Purwati, .
(2015).
Book of Knowledge Planet Bumi
.
Bandung:
Pakar Raya.
Gaya MLA
Becklake,dkk, Sue., M.Purwati, .
"Book of Knowledge Planet Bumi".
Bandung:
Pakar Raya,
2015.
Text.