Gaya APA
Surbakti, K. (2008).
Improving student's writing skill through peer, group and reflective portfolio assessment (Vol. 30, No. 02, Tahun).
:
.
Gaya MLA
Surbakti, Karyamantha.
"Improving student's writing skill through peer, group and reflective portfolio assessment".
Vol. 30, No. 02, Tahun
:
,
2008.
Text.