Gaya APA

m.ed, D, H, B, H. (2010). The Relationship between Grammar Mastery and Students’ Writing Skill of the Second Grade of SMK GITA KIRTTI 1 Jakarta in the 2009/2010 Academic Year . Jakarta: UHAMKA.

Gaya MLA

m.ed, Drs., H., Bahrul, Hasibuan,. "The Relationship between Grammar Mastery and Students’ Writing Skill of the Second Grade of SMK GITA KIRTTI 1 Jakarta in the 2009/2010 Academic Year". Jakarta: UHAMKA, 2010. Text.