Hartmann, Reinhard R.K., author
Routledge, 1998
Buku Referensi
Hartmann, Reinhard R.K., author
Routledge, 1998
Buku Referensi
Hartmann, Reinhard R.K., author
Routledge , 1998
Buku Referensi
Echols, John M., editor; Hassan Shadily, 1920-
Gramedia Pustaka Utama, 2005
Buku Teks
Himus, Godfrey W., author
Harmondsworth, Middlesex, 1954
Buku Referensi