Kaplan, Jeffrey P.
English grammar : principles and facts
Prentice Hall International, 1995
 Buku Teks SO
Soegondo
Humour and facts : recollections of a retired English teacher / Soegondo
Gadjah Mada University Press , 1998
 Buku Teks
Soegondo
Humour and facts : recollection of a retired English teacher / Soegondo
Gadjah Mada University Press, 1993
 Buku Teks
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