Brazier, Rodney
Constitutional practice
Oxford University Press, 1988
 Buku Teks SO
Pharmacy practice
edited by Kevin Taylor, Geoffrey Harding
Routledge, 2001
 Buku Teks SO
Catt, Helena
Democracy in practice
Routledge , 1999
 Buku Teks SO
Pharmaceutical practice
edited by Diana M. Collett and Michael E. Aulton
Churchill Livingstone, 1990
 Buku Teks SO
Drucker, Peter Ferdinand, 1909-2005
The practice of management
Pan Books, 1982
 Buku Teks