Sturtevant, Edgar H.
Yale University Press, 1947
Buku Teks SO
editors, S.P. Corder, E. Roulet
AIMAV, 1974
Buku Teks SO
Victoria A. Fromkin
Blackwell Publishers, 2001
Buku Teks SO
general editor, E.F. Konrad Koerner
John Benjamins B.V., 1976
Buku Teks SO
Salverda, Reinier
I.C.G. Printing, 1985
Buku Teks SO