Grammar : teach it or not
Artikel Jurnal
Grammar and writing
Macmillan, 1981
Buku Referensi
Lennie, Delia
Italian for you : a practical grammar
Longman, 1960
Buku Teks SO
Ono, Hideichi
Japanese grammar/ Hideichi Ono
The Hokuseido Press, 1973
Buku Teks SO
Ballantine, Joseph W.
Japanese as it is spoken : a beginners grammar
Stanford University, 1945
Buku Teks SO