edited by John Friedmann and William Alonso
MIT Press, 1965
Buku Teks SO
Giddens, Anthony
Hutchinson, 1977
Buku Teks SO
Fay, Brian
Pustaka Utama Grafiti, 1991
Buku Teks SO
Barnes, Barry
Routledge & K. Paul, 1974
Buku Teks SO
Selden, Raman
The University Press of Kentucky , 1993
Buku Teks SO