Serebryakov, A.
Foreign Language,, [19?-]"
Buku Teks
French, Thomas Ewing, 1871-1944, author
McGraw-Hill, 1978
Buku Teks
Reekie, Fraser
Rich Edward Arnold,, 1981
Buku Teks
Sanches, Alfonso Emilio Perez, author
Fabbri, 1970
Buku Referensi
Goodban, William T., author
McGraw-Hill, 1979
Buku Teks