Gaya APA
Walsh, Clare, Warwick, Lindsay. (2014).
PTE academic expert : B1 coursebook .
Harlow, Essex:
Pearson Education Limited.
Gaya Chicago
Walsh, Clare, Warwick, Lindsay.
PTE academic expert : B1 coursebook.
Harlow, Essex:
Pearson Education Limited,
2014.
Text.
Gaya MLA
Walsh, Clare, Warwick, Lindsay.
PTE academic expert : B1 coursebook.
Harlow, Essex:
Pearson Education Limited,
2014.
Text.
Gaya Turabian
Walsh, Clare, Warwick, Lindsay.
PTE academic expert : B1 coursebook.
Harlow, Essex:
Pearson Education Limited,
2014.
Print.