Gaya APA

Sibiti, S. (2010). The efectiveness of natural approach in teaching writing skill at the eleventh year students of MAN Palopo . Palopo: Sekolah Tinggi Agama Islam (STAIN) Palopo.

Gaya MLA

Sibiti, Selpika. "The efectiveness of natural approach in teaching writing skill at the eleventh year students of MAN Palopo". Palopo: Sekolah Tinggi Agama Islam (STAIN) Palopo, 2010. Text.