APA Style

Purwaningrum, P, W. (2006). Strategy in Request Modofication By Male and Female Character in the Situation Comedy Series Friends" . Jakarta: STBA LIA.

MLA Style

Purwaningrum, Prapti, Wigati. "Strategy in Request Modofication By Male and Female Character in the Situation Comedy Series Friends"". Jakarta: STBA LIA, 2006. Skripsi.