Obunsha , 1958
Buku Teks
Wertheim, W.F. (Willem Frederik), author
Uitgeversmaatschappij A., 1959
Buku Teks
Martindale, Don, author
Hougton Mifflin, 1966
Buku Teks
Slotkin, J.S., author
Macmillan, 1950
Buku Teks
Nakane, Chie, author
University of California Press, 1970
Buku Teks