Gaya APA
Soeprapto, F. et al
(2002).
CONTEMPORARY ENGLISH FOR SENIOR HIGH SCHOOL 2
.
Jakarta:
Yudhistira.
Gaya MLA
Soeprapto, F.A.. et al.
"CONTEMPORARY ENGLISH FOR SENIOR HIGH SCHOOL 2".
Jakarta:
Yudhistira,
2002.
Textbook.