Gaya APA
Books, D, W, C., Wahyu, A.
(2018).
Hewan Air Tawar
.
Jakarta:
Bhuana Ilmu Populer.
Gaya MLA
Books, David, West, Children's., Wahyu, Andi.
"Hewan Air Tawar".
Jakarta:
Bhuana Ilmu Populer,
2018.
Text.