Gaya APA
all, B, I, E. (2001).
Berkala Penelitian Hayati (Journal of Biological Researches) Vol. 6 No 2 April 2001 .
Surabaya:
PBI Jawa Timur.
Gaya MLA
all, Bambang, Irawan, Et.
"Berkala Penelitian Hayati (Journal of Biological Researches) Vol. 6 No 2 April 2001".
Surabaya:
PBI Jawa Timur,
2001.
.