Gieser, Carl Richard, author
Summer Institute of Linguistics, 1963
Buku Teks
Sofia, 1981
Buku Teks
Pott, F.L. Hawks, author
Kelly and Walsh, 1936
Buku Teks
by Aleksey Maksimovich Gor`kiy; translated by Margaret Wettlin
Foreign Languages Publishing House, [date of publication not identified]
Buku Teks
Wikunila MS, author
Dewan Bahasa dan Pustaka, 2008
Buku Teks