Barnard, Alan, author
Cambridge University Press, 2011
Buku Teks
Firth, Raymond, author
The New American Library, 1958
Buku Teks
Slotkin, J.S., author
Macmillan, 1950
Buku Teks
edited by Ronald Cohen and Elman R. Service
Institute for the Study of Human Issues, 1978
Buku Teks
Bohannan, Paul, author
Holt, Rinehart and Winston, 1963
Buku Teks