Hibbard, M.J.
Mineralogy : a geologist's point of view
McGraw-Hill Irwin, 2001
 Buku Teks
Networks from the user's point of view
edited by Laszlo Csaba, Tibor Szentivanyi and Katie Tarbay
North Holland, 1991
 Buku Teks
Pigors, Paul
Personnel administration : a point of view and a method
McGraw-Hill, 1969
 Buku Teks
Pigors, Paul
Personnel administration : a point of view and a method
McGraw-Hill , 1961
 Buku Teks
Pigors, Paul
Personnel administration : a point of view and a method
McGraw-Hill, 1981
 Buku Teks