Leech, Geoffrey N., 1936-
Principles of pragmatics
Longman, 1996
 Buku Teks SO
Russell, Bertrand, 1872-1970
The principles of mathematics
George Allen and Unwin, 1956
 Buku Teks SO
Bueche, Frederick, 1923-
Principles of physics
New York McGraw-Hill 1988,
 Buku Teks
Tamarin, Robert H.
Principles of genetics
Wm.C. Brown , 1991
 Buku Teks
Dossat, Roy J.
Principles of refrigeration
Prentice-Hall, 1977
 Buku Teks