Gaya APA
Astuti, C, D., Sukristiono, F. (2014).
Talk Active : Worktext for Senior High School .
Jakarta Timur:
Yudhistira.
Gaya MLA
Astuti, Cecilia, Dwi., Sukristiono, FX.
"Talk Active : Worktext for Senior High School".
Jakarta Timur:
Yudhistira,
2014.
Text.