Gaya APA
Sahulata, D., Swanson, C, P. (1988).
Introduction to sounds and sounds systems of english panduan penggunaan ì buku .
Jakarta:
.
Gaya MLA
Sahulata, Daniel., Swanson, Carl, P..
"Introduction to sounds and sounds systems of english panduan penggunaan ì buku".
Jakarta:
,
1988.
Text.