Robertson, David
A dictionary of modern defence and strategy
Europa Publications Limited, 1987
 Buku Referensi
Deverall, Brian J.
Defence mechanisms of plants
Cambridge Univesity Press, 1977
 Buku Teks
India`s defence and foreign policies
edited by Amritlal B. Shah
Manaktalas, 1966
 Buku Teks SO
Martin, Brian
Social defence, social change
Freedom Press, 1993
 Buku Teks SO
Taylor, Lawrence E.
Dreenk driving defence
Little, Brown, 1981
 Buku Teks