Gaya APA

Supriyanto, A. (2009). Improving the students ability in writing an argumentative essay through a controlled-to-free teaching writing technique : a classroom action research design for Higher Intermediate - 4 Students of LBPP Lia Cikokol Propinsi Banten . Jakarta: Program Pascasarjana Universitas Negeri Jakarta.

Gaya MLA

Supriyanto, Aris. "Improving the students ability in writing an argumentative essay through a controlled-to-free teaching writing technique : a classroom action research design for Higher Intermediate - 4 Students of LBPP Lia Cikokol Propinsi Banten". Jakarta: Program Pascasarjana Universitas Negeri Jakarta, 2009. Text.