Conversational Mandarin
EPB Publ., 1980
 Buku Teks SO
Starr, Wilmarth H.
Spoken French and grammar review / Wilmarth H. Starr and Alfred G. Pellegrino
American Book Company, 1959
 Buku Teks SO
Fucilla, Joseph G.
Fucilla Spanish dictionary Spanish-English English-Spanish
Follett Publishing Company, 1964
 Buku Referensi
Collier, Leonard Dawson
Everyday Spanish
St. Paul's House Warwick Lane, 1973
 Buku Teks SO
Cronin, A.J.
The Spanish gardener
Bantam Books, 1957
 Buku Teks