Gaya APA
Goldstein, D, H, A, J, B, P, N.
(2010).
materi biologi - biologi sel
.
bandung:
pakar raya.
Gaya MLA
Goldstein, Derek, Harvey,, Amy, Jane, Beer,, PhD.,, Natalie.
"materi biologi - biologi sel".
bandung:
pakar raya,
2010.
Text.