Rompelman, Tom Albert
Buku Teks
Humboldt, W. von
Darmstadt Claassen 1949
Buku Teks
Lyons, John, author
Munchen C.H. Beck 1990
Buku Teks
Anderson, John, author
Amsterdam John Benjamins B.V. 1982
Buku Teks
Wilbur, Terence H.
Amsterdam John Benjamins B.V. 1977
Buku Teks