Gaya APA

Herlambang, F. (2019). Students' difficulties in revising their background of the study ( A research conducted to the seventh semester students of english language education study program of pakuan universuty) . Bogor: FKIP Unpak.

Gaya MLA

Herlambang, Frizki/031113116. "Students' difficulties in revising their background of the study ( A research conducted to the seventh semester students of english language education study program of pakuan universuty)". Bogor: FKIP Unpak, 2019. Text.