Gaya APA
Ayudhitya, D., Tjuatja, I.
(2013).
Health Is Easy
.
Jakarta:
Niaga Swadaya.
Gaya MLA
Ayudhitya, DIana., Tjuatja, Inggriani.
"Health Is Easy".
Jakarta:
Niaga Swadaya,
2013.
Text.