Gaya APA
Falla, T.
(2008).
Solutions Intermediate Class CD1: Unit 1 - Unit 5
.
Inggris:
Oxford University Press.
Gaya MLA
Falla, Tim.
"Solutions Intermediate Class CD1: Unit 1 - Unit 5".
Inggris:
Oxford University Press,
2008.
Karya Rekam.