Cita APA (7th ed.)

Abdillah, S. Y. A. (2011). IMPROVING STUDENTS’ WRITING SKILL USING COLLABORATIVE WRITING AT THE SECOND GRADE OF SMA N 1 ANDONG BOYOLALI IN 2010/2011 ACADEMIC YEAR.

Cita Chicago (17th ed.)

Abdillah, Satriyo Yoga Aji. IMPROVING STUDENTS’ WRITING SKILL USING COLLABORATIVE WRITING AT THE SECOND GRADE OF SMA N 1 ANDONG BOYOLALI IN 2010/2011 ACADEMIC YEAR. 2011.

Cita MLA (9th ed.)

Abdillah, Satriyo Yoga Aji. IMPROVING STUDENTS’ WRITING SKILL USING COLLABORATIVE WRITING AT THE SECOND GRADE OF SMA N 1 ANDONG BOYOLALI IN 2010/2011 ACADEMIC YEAR. 2011.