[publisher not identified], [date of publication not identified]
Naskah
Wolf, Eric R.
Prentice-Hall, 1966
Buku Teks
Sutrisno Atmadi
Nuansa Graphis, 2011
Buku Teks
Wiloughby, David A.,
McGraw-Hill, 2002
Buku Teks
Maxwell, John C.
Menuju Insan Cemerlang, 2016
Buku Teks