Rompelman, Tom Albert
Buku Teks
Humboldt, W. von
Darmstadt Claassen 1949
Buku Teks
Lyons, John, author
Munchen C.H. Beck 1990
Buku Teks
Wilbur, Terence H.
Amsterdam John Benjamins B.V. 1977
Buku Teks
Saussure, Ferdinand de, author
Geneve Georg & Cie, S.A., Corraterie 1946
Buku Teks