Gaya APA

Zulkifli, . (2009). The Effectiveness of Natural Approach in Improving Students' Speaking Skill at The Eleventh year Students of SMA PMDS Putri Palopo in 2009/2010 Academic year . Palopo: Prodi Bahasa Inggris Jurusan TARBIYAH STAIN Palopo.

Gaya MLA

Zulkifli, . "The Effectiveness of Natural Approach in Improving Students' Speaking Skill at The Eleventh year Students of SMA PMDS Putri Palopo in 2009/2010 Academic year". Palopo: Prodi Bahasa Inggris Jurusan TARBIYAH STAIN Palopo, 2009. Text.