Gaya APA
Sudarwati, T., Grace, E.
().
Look Ahead An English Course SMA Kls XII KTSP 2006
.
Jakarta:
Erlangga.
Gaya MLA
Sudarwati, Th.M.., Grace, Eudia.
"Look Ahead An English Course SMA Kls XII KTSP 2006".
Jakarta:
Erlangga,
.
Book.