Gaya APA
Maer, M, N, D. et al (2007).
Success In Academic English : English For General Academic Purposes .
Jakarta:
Graha Ilmu.
Gaya MLA
Maer, Maria, Natalia, Damayanti. et al.
"Success In Academic English : English For General Academic Purposes".
Jakarta:
Graha Ilmu,
2007.
Text.