Gaya APA
…[et.al], R, C, R.
(2010).
Civics today, Citizenship, economics & you
.
USA:
McGraw-Hill.
Gaya MLA
…[et.al], Richard, C., Remy.
"Civics today, Citizenship, economics & you".
USA:
McGraw-Hill,
2010.
Textbook.