Shaw, Alan George Lewers
Faber and Faber, 1955
Buku Teks SO
edited by R.G. Brown
George Allen and Unwin, 1980
Buku Teks SO
photographed and edited by H. Edward Kim
Hyung Mun, 1981
Buku Teks SO
Goodman, Mary Ellen
Addison-Wesley, 1952
Buku Teks SO
edited by Wolfgang Schneider, Ruth Hengsteler, B. Sodian
Lawrence Erlbaum Assossiates, 2004
Buku Teks SO