Gaya APA
O'Brien, Liz. (2013).
Speak well .
nyu:
McGraw Hill.
Gaya Chicago
O'Brien, Liz.
Speak well.
nyu:
McGraw Hill,
2013.
Buku.
Gaya MLA
O'Brien, Liz.
Speak well.
nyu:
McGraw Hill,
2013.
Buku.
Gaya Turabian
O'Brien, Liz.
Speak well.
nyu:
McGraw Hill,
2013.
Buku.