[publisher not identified], [date of publication not identified]
Naskah
Leo, Alan
Sagar Publications, 1970
Buku Teks
Orr, Marjorie
Abdi Tandur, 1994
Buku Teks
Rabolu, V.M., author
COIMGRAFF, 2003
Buku Teks
Alvarado, Luis
Llewellyn Publications, 1991
Buku Teks