Gaya APA
Real English for Senior High School Grade 2 Kurikulum 1994 Suplemen GBPP 1999
.
(2003).
Jakarta:
ESIS.
Gaya MLA
Real English for Senior High School Grade 2 Kurikulum 1994 Suplemen GBPP 1999
.
.
Jakarta:
ESIS,
2003.
.