Gaya APA
Adrian Doff, Christopher Jones. (1991).
Listening 4 : student's book .
Yogyakarta:
Kanisius (anggota IKAPI).
Gaya Chicago
Adrian Doff, Christopher Jones.
Listening 4 : student's book.
Yogyakarta:
Kanisius (anggota IKAPI),
1991.
Text.
Gaya MLA
Adrian Doff, Christopher Jones.
Listening 4 : student's book.
Yogyakarta:
Kanisius (anggota IKAPI),
1991.
Text.
Gaya Turabian
Adrian Doff, Christopher Jones.
Listening 4 : student's book.
Yogyakarta:
Kanisius (anggota IKAPI),
1991.
Print.