Gaya APA
Floris, F, D. et al (2007).
Success in academic English : English for general academic purposes (Ed. 1).
Yogyakarta:
Graha Ilmu.
Gaya MLA
Floris, Flora, Debora. et al.
"Success in academic English : English for general academic purposes".
Ed. 1
Yogyakarta:
Graha Ilmu,
2007.
Text.