Gaya APA

Sulistyo, U., Gunawan, I. (2011). Question Tag Relative Pronoun Noun & Article . Jakarta: Bhuana Ilmu Populer.

Gaya MLA

Sulistyo, Ule., Gunawan, Inet. "Question Tag Relative Pronoun Noun & Article". Jakarta: Bhuana Ilmu Populer, 2011. Text.