Gaya APA

PURBOSIWI, A, P. (2012). Optimizing picture series video to improve students skill in writing narrative text (a classroom . : Universitas Sebelas Maret.

Gaya MLA

PURBOSIWI, Ayu, Pramoni. "Optimizing picture series video to improve students skill in writing narrative text (a classroom ". : Universitas Sebelas Maret, 2012. Skripsi.