Cunningham, William P.
Environmental science : a global concern
WCB/McGraw-Hill, 1999
Buku Referensi
Botkin, Daniel B.
Environmental science : earth as a living planet
John Wiley & Sons, 1995
Buku Teks
Botkin, Daniel B.
Environmental science : earth as a living planet
John Wiley & Sons, 2000
Buku Teks
Botkin, Daniel B.
Environmental science : earth as a living planet
John Wiley & Sons, 2003
Buku Teks
Cunningham, William P.
Environmental science : a global concern
McGraw-Hill, 2001
Buku Teks