Crawford, Ann Caddell
Charles E. Tuttle, [t.th.]
Buku Teks
Hanoi : Democratic Republic of Vietnam
Majalah, Jurnal, Buletin
[T.t.] [T.p.] [t.th.]
Buku Teks
Nguyen, van Canh
Stanford: Hoover Institution Press, Stanford University, 1983
Buku Teks
Japan : Center for International Cultural Studies and Education, Josai University
Majalah, Jurnal, Buletin