Brady, George S.
Materials handbook: an encyclopedia for managers, technical professionals, purchasing and production managers, technicians, supervisors, and foremen
McGraw-Hill, 1979
 Buku Referensi
Schweitzer, Glenn E., author
Environmental sampling for hazardous wastes
American Chemical Society, 1984
 Buku Teks
Hicks, Lawrence E., author
Ceping with packaging laws, an AMA management briefing
Mamerican Management Association , 1972
 Buku Teks
Hildreth, Ronald B.
Patent law : a practitioner's guide / Ronald B. Hildreth
Practising Law Institute, 1993
 Buku Teks
The economic recovery tax act of 1981 implications for investment tax credit, cost recovery, and acquisitions and divestments /editor P. Michael Kelly
N.Y. AMA , 1982
 Buku Teks