Gaya APA
Hestuti,Eni, ., Agustin,Reni, .
(2009).
Let's Understand English
.
Surakarta:
Cempaka Putih.
Gaya MLA
Hestuti,Eni, ., Agustin,Reni, .
"Let's Understand English".
Surakarta:
Cempaka Putih,
2009.
Text.