Shaplen, Robert
Harper & Row, 1965
Buku Teks
Ngoc, Nguyen
Foreign Languages Publishing House, 1961
Koleksi Publik
Xunhasaba, 1972
Buku Teks
Higgins, Hugh
Heinemann Educational, 1975
Buku Teks
Nguyen-Vien
Foreign Language Publishing House, 1956
Buku Teks