Gaya APA
Suharsih, S. (2011).
Learning How to Ask, Give and Refuse Opinion and to Expres Likeness and Dislikeness .
Jakarta:
CV CITRAUNGGUL LAKSANA.
Gaya MLA
Suharsih, Siti.
"Learning How to Ask, Give and Refuse Opinion and to Expres Likeness and Dislikeness".
Jakarta:
CV CITRAUNGGUL LAKSANA,
2011.
Text.