Schwartz, Alvin
Scary stories to tell in the dark
Harper Trophy, 1981
 Buku Teks SO
Busch, Frederick
Dont tell anyone
W.W. Norton & Co., 2000
 Buku Teks
Davies, Robert J.
Allergy the facts
Oxford University Press, 1989
 Buku Teks SO
Facts on Asean
Kementerian Luar Negeri Malaysia
Ministry of Foreign Affairs Malaysia, 1977
 Buku Teks SO
Facts on Canada
Ottawa Departemen of External Affairs 1963
 Buku Teks