Levy, Reuben
The Persian language / Reuben Levy; editor, N. B. Jopson
Hutchinson's University Library, 1951
 Buku Teks SO
Sutanto Atmosumarto
Colloquial Indonesian: a complete language course
Routledge, 1994
 Buku Teks SO
Othman, Zaharah
Colloquial Malay : a complete language course Buch
Routledge, 1995
 Buku Teks SO
Sampaio, João, 1929-
Colloquial Portuguese : a complete language course
Routledge, 1995
 Buku Teks SO
Le Fleming, Svetlana
Colloquial Russian: a complete language course
Routledge, 1995
 Buku Teks SO