Creighton, Donald, author
Macmillan, 1959
Buku Teks
Creighton, Donald, author
Macmillan, 1981
Buku Teks
Reid, Ian, 1943-, author
Routledge, 1994
Buku Teks
Ye, Ying, author
New Star Press, 2009
Buku Teks
Loon, Hendrik Willem van, author
New York [t.p.] 1958
Buku Teks