APA Style
Gould, Philip, Clutterbuck, Michael. (2011).
Focusing on IELTS: Academic Practice Tests with Answer Key (2).
:
Macmillan.
Chicago Style
Gould, Philip, Clutterbuck, Michael.
Focusing on IELTS: Academic Practice Tests with Answer Key.
2
:
Macmillan,
2011.
Buku SMA Athalia.
MLA Style
Gould, Philip, Clutterbuck, Michael.
Focusing on IELTS: Academic Practice Tests with Answer Key.
2
:
Macmillan,
2011.
Buku SMA Athalia.
Turabian Style
Gould, Philip, Clutterbuck, Michael.
Focusing on IELTS: Academic Practice Tests with Answer Key.
2
:
Macmillan,
2011.
Buku SMA Athalia.