Gaya APA
Beddall,Fiona. (2011).
Cosmic B1+ Student Book+CD .
Harlow:
Pearson Longman.
Gaya Chicago
Beddall,Fiona.
Cosmic B1+ Student Book+CD.
Harlow:
Pearson Longman,
2011.
Buku Pelajaran.
Gaya MLA
Beddall,Fiona.
Cosmic B1+ Student Book+CD.
Harlow:
Pearson Longman,
2011.
Buku Pelajaran.
Gaya Turabian
Beddall,Fiona.
Cosmic B1+ Student Book+CD.
Harlow:
Pearson Longman,
2011.
Buku Pelajaran.