Welch, Joseph N.
Houghton Miffiln, 1956
Buku Teks
Pringle, John Martin Douglas, 1912-
Angus and Robertson, 1971
Buku Teks
Park, Won
Inka University Press, 1970
Buku Teks
Matsushita, Konosuke
PHP Institute International, 1982
Buku Teks
Mukhina, Vera
Foreign Languages Publishing House, [Date of publication not identified]
Buku Teks