Gaya APA

Suharsih, S. (2011). Learning How to Ask, Give and Refuse Opinion and to Express Likness and Dislikness (Cet 2). Jakarta: Citraunggul Laksana.

Gaya MLA

Suharsih, Siti. "Learning How to Ask, Give and Refuse Opinion and to Express Likness and Dislikness". Cet 2 Jakarta: Citraunggul Laksana, 2011. text.