Gaya APA
Deddy, A. ().
Developing English Competansies 1 : For Seni or High School (SMA/MA) Grade X .
Jakarta:
Pustaka pembukuan.
Gaya MLA
Deddy, Achmad.
"Developing English Competansies 1 : For Seni or High School (SMA/MA) Grade X".
Jakarta:
Pustaka pembukuan,
.
Text.