Gaya APA
Rosa, A., Tanjung, D.
(1991).
Budidaya Bekicot
.
Surabaya:
Karunia.
Gaya MLA
Rosa, Ade., Tanjung, Dian.
"Budidaya Bekicot".
Surabaya:
Karunia,
1991.
Printed Book.