Laser handbook; Volume I, II
editor, F.T Arecchi and E.O. Schulz-Dubois
North-Holland, 1972
 Buku Referensi
Gateway to the future conference proceedings; Volume I & II
State Library of Queensland , 1995
 Buku Teks SO
Galloway, Lee
Organization and management : modern business; Volume II
Alexander Hamilton Institute, 1914
 Buku Teks
Selected chapters-business one Irwin I & II
Richard D. Irwin. Inc, 1992
 Buku Teks
Roemer, Milton I.
National health systems of the world; Volume I and Volume II
Oxford University Press, 1993
 Buku Teks SO