Habermas, Jurgen
Theory and Practice
Heinemann, 1974
 Buku Teks
Panayiotis Zaphiris, editor
Theory and practice of digital libraries : second international conference, TPDL 2012, Paphos, Cyprus, September 23-27, 2012 :proceedings
[, Springer-Verlag], 2012
 eBooks
Pollack, Solomon L.
Decision tables : theory and practice
John Wiley & Sons, 1971
 Buku Teks
Bell, Catherine M., 1953-
Ritual theory, ritual practice
Oxford University Press , 1992
 Buku Teks
Burch, John G.
Information systems : theory and practice
Hamilton Publishing, 1974
 Buku Teks