Davies, Robert J.
Allergy the facts
Oxford University Press, 1989
 Buku Teks
Facts on Asean
Kementerian Luar Negeri Malaysia
Ministry of Foreign Affairs Malaysia, 1977
 Buku Teks
Facts and figures
 Buku Teks
Facts on Canada
Ottawa Departemen of External Affairs 1963
 Buku Teks
Facts Tell
Pyongyang Foreign Languages Publishing House 1960
 Buku Teks