by Thomas B. Stoddard ... [and others]
Bantam Books, 1983
Buku Teks SO
Kalinga Seneviratne, Yeo Lay Hwee
Asia Media Information and Communication centre (AMIC), 2011
Buku Teks
Scott, F.R. (Francis Reginald)
Published in co-operation with Carleton University by University of Toronto Press, 1959
Buku Teks SO
edited by Catherine Itzin
Oxford University Press, 1992
Buku Teks
Stone, Richard
Blackstone Press limited, 1997
Buku Teks