Andres, Cameron K.
Principles and practices of heavy construction
Prentice-Hall, 1998
Buku Teks
Hodges, Henry G.
Management : principles, practices, problems
Houghton Miffiln, 1955
Buku Teks
Hansen, Vaughn E.
Irrigation principles and practices
John Wiley & Sons, 1980
Buku Teks
Stewart, Charles J.
Interviewing : principles and practices
McGraw-Hill, 2006
Buku Teks
Stewart, Charles J.
Interviewing: principles and practices
McGraw-Hill, 2000
Buku Teks