Crocker, Mary E. Coffman
French grammar
McGraw-Hill, 1990
 Buku Teks
Crocker, Mary E. Coffman
French grammar
McGraw-Hill, 1990
 Buku Teks
Young-Key
Korean : an essential grammar
Routledge, 2009
 Buku Teks
Karlsson, Fred
Finnish: an essential grammar
Routledge, 1999
 Buku Teks
Yip Po-Ching
Chinese : an essential grammar
Routledge, 1998
 Buku Referensi