APA Style

Nisa', I, R. (2011). Analysis of code mixing and code switching in speaking skill aquisition used by the fourth semester of engliosh student of Unirow in academic year 2010/2011 . Tuban: Unirow.

MLA Style

Nisa', Ima, Rotun. "Analysis of code mixing and code switching in speaking skill aquisition used by the fourth semester of engliosh student of Unirow in academic year 2010/2011". Tuban: Unirow, 2011. e-book.