Frindland, L, author
Foreign Languages Publishing House, 1956
Buku Teks
Mouly, George J.
American Book, 1963
Buku Teks
Bell, Judith, author
Open University Press, 1993
Buku Teks
Direktorat Riset dan Pengembangan Masyarakat Universitas Indonesia,
Majalah, Jurnal, Buletin
Borg, Walter R.
David Mc Kay Co., 1963
Buku Teks