Gaya APA
K.D., S.
(2011).
MY ENGLISH WORKBOOK ! FOR SENIOR HIGH SCHOOL GRADE XI SEMESTER 2
.
Jakarta:
ESIS / Erlangga.
Gaya MLA
K.D., Sari.
"MY ENGLISH WORKBOOK ! FOR SENIOR HIGH SCHOOL GRADE XI SEMESTER 2".
Jakarta:
ESIS / Erlangga,
2011.
Text.