Gaya APA
M,Si, S, H, S. et al (2006).
Modul Of Subject " Writing Skill " English For Academic Purpose Course Level 2 .
Bogor:
Pusdiklathut.
Gaya MLA
M,Si, Sri, Harteti,, S.Pi,. et al.
"Modul Of Subject " Writing Skill " English For Academic Purpose Course Level 2".
Bogor:
Pusdiklathut,
2006.
Text.