Gettell, Raymond G.
Appleton-Century-Crofts, 1928
Buku Teks SO
Wanlass, Lawrence C.
Appleton-Century-Crofts, 1953
Buku Teks SO
Allen, J. W.
Methuen, 1951
Buku Teks SO
Hiroshi, Watanabe
I-House Press, 2012
Buku Teks SO
McClelland, J.S.
Routledge , 1998
Buku Teks SO