Victoria A. Fromkin
Blackwell Publishers, 2001
Buku Teks
Sturtevant, Edgar H., author
Yale University Press, 1947
Buku Teks
Vachek, Josef, author
Indiana University Press, 1966
Buku Teks
general editor, E.F. Konrad Koerner
John Benjamins B.V., 1976
Buku Teks
Salverda, Reinier, author
I.C.G. Printing, 1985
Buku Teks