Bloomsbury, 1990
Buku Referensi
compiled and edited by Bill Wannan
Macmillan, 1974
Buku Referensi
Bartlett, John
Routledge and Kegan Paul, 1955
Buku Referensi
Chuang, Edward Chi-chang
Kanazawa Institute of Technology Press, 1981
Buku Referensi
Stevenson, Burton
New York, Harper & Brothers
Buku Referensi