Thibault, Paul J.
Routledge, 1997
Buku Teks
Saussure, Ferdinand de
Geneve Georg & Cie, S.A., Corraterie 1946
Buku Teks
Harris, Roy
Routledge, 1997
Buku Teks
Beatty, Charles
Harper & Brothers Publishers, 1956
Buku Teks
Godel, Robert
Geneve Imprimerie H. Studer S.A. 1957
Buku Teks