Fried, Morton H., author
Random House, 1967
Buku Teks
Aldine Pub. Co., 1966
Buku Teks
edited by Ronald Cohen and Elman R. Service
Institute for the Study of Human Issues, 1978
Buku Teks
Gluckman, Max
Basil Blackwell, 1967
Buku Teks
Nordholt, H.G. Schulte, author
The Hague, 1971
Buku Teks