editor Haryati Soebadio
Archipelago Press, 1998
Buku Teks SO
Agoes Ariesmunandar ; Davison, Julian ; Bromer, Bea ; Durmacay, Jacques
Archipelago Press, 1998
Buku Referensi
Wojciechowski, Jerzy A.
Council for research in values and philosophy, [Date of publication not identified]
Buku Teks SO
Odum, Eugene Pleasants
Saunders College, 1983
Buku Teks
Pianka, Eric R.
Harper & Row, 1988
Buku Teks