Husson, Samir S.
Microprogramming: principles and practices
Printice-Hall, 1970
 Buku Teks SO
Buskirk, Richard Hobart, 1927-
Selling : principles and practices
McGraw-Hill, 1992
 Buku Teks SO
Smith, Ronald C.
Principles and practices of heavy construction
Prentice-Hall, 1993
 Buku Teks SO
Newwit, J. S
Construction scheduling : principles and practices
Pearson Education, 2005
 Multimedia
Andres, Cameron K.
Principles and practices of commercial consruction
Pearson, 2004
 Buku Teks SO