Gaya APA
Caroline, C., Widarko, .
(2009).
Makanan & Minuman Awet Muda
.
Yogyakarta:
Mutiara.
Gaya MLA
Caroline, Chyntia., Widarko, .
"Makanan & Minuman Awet Muda".
Yogyakarta:
Mutiara,
2009.
Book.