Moirand, Sophie
Hachette F.L.E, 1990
Buku Teks
Grevisse, Maurice
Duculot, 1993
Buku Referensi
Benamou, Michel
Mass., Xerox College Pub, 1971
Buku Teks
Bruyere, La, author
Larousse, 1959
Koleksi Publik
Ruwet, Nicolas
Travaux linguistique, 1972
Buku Teks