Walz, Audrey
Bantam Books, 1950
Buku Teks
May Swan
Ultimus, 2008
Buku Teks
Burris, Jon
Foreign Languages Press, 2010
Buku Referensi
Burris, Jon
Foreign Languages Press, 2010
Buku Teks
Mukhtar, Askad
Moscow Foreign Languages Publishing House [t.th.]
Buku Teks