Published by Gramedia Pustaka Utama in cooperation with SPES Foundation, 1994
Buku Teks
Mohammad Soerjani
The Office of the Minister of State for Population and Environment , 1989
Buku Teks
Hawley, Amos H.
The University of Chicago Press, 1986
Buku Teks
Program Pascasarjana Universitas Indonesia, 1994
Majalah, Jurnal, Buletin
Hawley, Amos H.
The Ronald Press, 1950
Buku Teks