Gaya APA

Rahayu, S. (2011). Learning How to Ask and Give Facts And to Ask and Give Clarification (Cet 2). Jakarta: Citraunggul Laksana.

Gaya MLA

Rahayu, Sefi. "Learning How to Ask and Give Facts And to Ask and Give Clarification". Cet 2 Jakarta: Citraunggul Laksana, 2011. text.