Gaya APA

Syarifuddin, M. (2014). Improving The Writing Achievement Through Portfolio Strategy At The Ninth Year Students Of SMPN 4 Sukamaju Kab Luwu Utara . Makassar: FKIP Univ 45 Makassar.

Gaya MLA

Syarifuddin, Melisa. "Improving The Writing Achievement Through Portfolio Strategy At The Ninth Year Students Of SMPN 4 Sukamaju Kab Luwu Utara". Makassar: FKIP Univ 45 Makassar, 2014. Text.