Ilmu alamiah dasar : Untuk perguruan tinggi non eksakta dan umum / Maskoeri Jasin

 Jasin, Maskoeri;

Jakarta : RajaGrafindo Persada , 1995

Cities in the wilderness :a new vision of land use in America

 Babbitt, Bruce E.;

Washington, D.C. : : Island Press/Shearwater Books, , 2005

The western confluence :a guide to governing natural resources

 McKinney, Matthew.; Harmon, Will.;

Washington, DC : : Island Press, , 0