Gaya APA
Joanne Collie, Stephen Slater. (1991).
Speaking 2 : student's book .
Yogyakarta:
Kanisius (anggota IKAPI).
Gaya Chicago
Joanne Collie, Stephen Slater.
Speaking 2 : student's book.
Yogyakarta:
Kanisius (anggota IKAPI),
1991.
Text.
Gaya MLA
Joanne Collie, Stephen Slater.
Speaking 2 : student's book.
Yogyakarta:
Kanisius (anggota IKAPI),
1991.
Text.
Gaya Turabian
Joanne Collie, Stephen Slater.
Speaking 2 : student's book.
Yogyakarta:
Kanisius (anggota IKAPI),
1991.
Print.