Gaya APA

Putro, B, N, C. (2010). The effectiveness of collaborative method on teaching speaking for students in 4th grade of elemntary school of SDI Al Munawar Tulungagung tahun academic year 2009/2010 / Bayu Nur Cahyo Putro . Tulungagung: STAIN Tulungagung.

Gaya MLA

Putro, Bayu, Nur, Cahyo. "The effectiveness of collaborative method on teaching speaking for students in 4th grade of elemntary school of SDI Al Munawar Tulungagung tahun academic year 2009/2010 / Bayu Nur Cahyo Putro". Tulungagung: STAIN Tulungagung, 2010. Skripsi.