UNESCO-UNEP International, 1983
Buku Teks
Jackson, Andrew R.W.
Longman, 1996
Buku Teks
proposed by Centre for Research of Human Resources and the Environment
University of Indonesia, 1990
Buku Teks
Panitia Koordinasi Hari Lingkungan Hidup
Universitas Indonesia, 1985
Buku Teks
Nursid Sumaatmadja
Alumni, 1989
Buku Teks