Foreign Languages Pub. House, 1959
Buku Teks SO
Sheehan, Susan
Alfred A. Knopf, 1967
Buku Teks SO
Nguyen, Dinh Hoa
Charles E. Tuttle, 1966
Buku Teks SO
Tai, Hue-Tam Ho
Harvard University Press, 1992
Buku Teks SO
Ban, Song
Foreigns Language, 1960
Buku Teks SO