Hawley, Amos H.
Human ecology : a theoretical essay
The University of Chicago Press, 1986
 Buku Teks
Ekonesia : a journal of Indonesia human ecology
Program Pascasarjana Universitas Indonesia, 1994
 Majalah, Jurnal, Buletin
Zipf, George Kingsley
Human behavior and the principle of least effort : an introduction to human ecology
Hafner, 1965
 Buku Teks
Strategies for human settlements: habittat and environment
edited by Gwen Bell
Hawaii University Press, 1976
 Buku Teks SO
Hawley, Amos H.
Human ecology : a theory of community structure
The Ronald Press, 1950
 Buku Teks SO