Gaya APA

SUPARNO, . (2010). Optimizing the use of "Youtube videos" to improve students speaking ability (A classroom action . : Universitas Sebelas Maret.

Gaya MLA

SUPARNO, . "Optimizing the use of "Youtube videos" to improve students speaking ability (A classroom action". : Universitas Sebelas Maret, 2010. Thesis.