Gaya APA

helferc, E, A., hartoyo, M, P, D, T, W, A, M. (2011). The Effect of B1og-Based Peer Feedback and Face-to-Face Peer Feedback in Enhancing Students' Essay Writing . Jakarta: sekolah pascasarjana uhamka.

Gaya MLA

helferc, Erick, A.., hartoyo, Ma,, Ph.d;, Dr., Tri, Wintolo, Apoko,, M.pd. "The Effect of B1og-Based Peer Feedback and Face-to-Face Peer Feedback in Enhancing Students' Essay Writing". Jakarta: sekolah pascasarjana uhamka, 2011. Text.