Gaya APA
Chapple, J.
(1999).
English @ EF (English First) Student's Book 6
(
ed.1 Cet.6)
.
Amsterdam:
Apollo.
Gaya MLA
Chapple, Joe.
"English @ EF (English First) Student's Book 6".
ed.1 Cet.6
Amsterdam:
Apollo,
1999.
Text.