Turner, Jonathan H.
Sage Publications, 1989
Buku Teks SO
Maskan
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 1985
UI - Skripsi Membership
Lyons, Eugene
Doubleday, 1948
Buku Teks SO
Moore, Harry T.
Thames & Hudson, 1988
Buku Teks SO
Spencer, Herbert
Watts, 1937
Buku Teks SO