Gaya APA
Floris, F, D. et al (2007).
Succes in academic English: English for general academic purposes .
Yogyakarta:
Graha Ilmu.
Gaya MLA
Floris, Flora, Debora. et al.
"Succes in academic English: English for general academic purposes".
Yogyakarta:
Graha Ilmu,
2007.
Text.