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.
Textbook.