APA Style

Lestari, E, P, S. (2012). An Analysis On Politeness Strategies In Text Message (SMS) Of The Students Of English Period 2008 Sent To The Lectures Of English At The University Of PGRI Ronggolawe Tuban . Tuban: Unirow.

MLA Style

Lestari, Eka, Puji, Sri. "An Analysis On Politeness Strategies In Text Message (SMS) Of The Students Of English Period 2008 Sent To The Lectures Of English At The University Of PGRI Ronggolawe Tuban". Tuban: Unirow, 2012. e-book.