Gaya APA
Steele, C.
(2003).
Animals of the Rainforest : Orangutans
(
1)
.
Inggris:
Raintree.
Gaya MLA
Steele, Christy.
"Animals of the Rainforest : Orangutans".
1
Inggris:
Raintree,
2003.
Text.