Environmental strategies handbook
Rao V. Kolluru, editor in chief
McGraw-Hill, 1994
 Buku Referensi
Rodgers, William H.
Environmental law
West Publishing, 1994
 Buku Teks
Environmental, health, and safety auditing handbook
Lee Harrison, editor in chief
McGraw-Hill, 1995
 Buku Referensi
Supplement to the environmental, health, and safety auditing handbook
edited by Lee Harrison
McGraw-Hill, 1997
 Buku Referensi
Environmental legislation: a sourcebook
edited by Mary Robinson Sive
Frederick A. Praeger, 1976
 Buku Teks