Gaya APA
al, K, B, E.
(2004).
Biology matters! Animals 6
(
Cet. 1)
.
Bandung:
Pakar Raya.
Gaya MLA
al, Kim, Bryan, Et.
"Biology matters! Animals 6".
Cet. 1
Bandung:
Pakar Raya,
2004.
Text.