Gaya APA
Suharsih, S. (2010).
LEARNING to thank, tp Apologize, and to Express Politeness (cet1).
jakarta timur:
PT. MULTAZAM MULIA UTAMA.
Gaya MLA
Suharsih, Siti.
"LEARNING to thank, tp Apologize, and to Express Politeness".
cet1
jakarta timur:
PT. MULTAZAM MULIA UTAMA,
2010.
Text.