Gaya APA

Ibad, K. (2011). Teaching speaking by using role-play technique on intensive English program at Diponegoro Islamic college Tulungagung . Tulungagung: STAIN Tulungagung.

Gaya MLA

Ibad, Khairul. "Teaching speaking by using role-play technique on intensive English program at Diponegoro Islamic college Tulungagung". Tulungagung: STAIN Tulungagung, 2011. Skripsi.