APA Style
Floris, F, D. et al (73).
Success in academic english: english for general academic purposes .
Yogyakarta:
Graha Ilmu.
MLA Style
Floris, Flora, Debora. et al.
"Success in academic english: english for general academic purposes".
Yogyakarta:
Graha Ilmu,
73.
Bahasa Inggris.