Daniel, Theodore W.
Prinsip-prinsip silvikultur
Gadjah Mada University Press, 1987
 Buku Teks
Muhammad
Prinsip-prinsip ekonomi islam
Graha Ilmu, 2007
 Buku Teks
Prinsip-prinsip rancangan obat
Siswandono, Bambang Soekardjo
Airlangga University Press, 1998
 Buku Teks
Moekijat
Prinsip-prinsip management
Alumni, 1975
 Buku Teks
Niswonger, Clifford Rollin, 1907-
Prinsip-prinsip akunting, Jilid-2
 Buku Teks