Gaya APA

DEBORA, F., Yunitasari,Liska, . (2007). SUCCESS IN ACADEMIC ENGLISH:English for general academic purposes . Yogyakarta: Graha Ilmu.

Gaya MLA

DEBORA, FLORIS,FLORA., Yunitasari,Liska, . "SUCCESS IN ACADEMIC ENGLISH:English for general academic purposes". Yogyakarta: Graha Ilmu, 2007. Koleksi Umum.