Gaya APA

Pratiwi, D. (2014). Improving the tenth grade students writing skill by using picture series (A Classroom action research conducted at the tenth graders of SMA N1 Sedayu Yogyakarta) . Yogyakarta: FKIP.

Gaya MLA

Pratiwi, Dwi. "Improving the tenth grade students writing skill by using picture series (A Classroom action research conducted at the tenth graders of SMA N1 Sedayu Yogyakarta)". Yogyakarta: FKIP, 2014. Text.