Gaya APA
Falla, T.
(2008).
Solutions Intermediate Class CD2: Unit 6 - Unit 9
.
Inggris:
Oxford University Press.
Gaya MLA
Falla, Tim.
"Solutions Intermediate Class CD2: Unit 6 - Unit 9".
Inggris:
Oxford University Press,
2008.
Karya Rekam.