Gaya APA
Slater, J, C, D, S.
(2005).
Speaking, Student's Book 2
.
Yogyakarta:
Penerbit Kanisius.
Gaya MLA
Slater, Joanne, Collie, Dan, Stephen.
"Speaking, Student's Book 2".
Yogyakarta:
Penerbit Kanisius,
2005.
Text.