Gaya APA
First friends 2 : audio class CD. (2009).
Britania:
Oxford University Press.
Gaya Chicago
First friends 2 : audio class CD.
.
Britania:
Oxford University Press,
2009.
Multimedia.
Gaya MLA
First friends 2 : audio class CD.
.
Britania:
Oxford University Press,
2009.
Multimedia.
Gaya Turabian
First friends 2 : audio class CD.
Britania:
Oxford University Press,
2009.
Multimedia.