edited by Robert A. Nisbet
Blackwell, 1972
Buku Teks
edited with an introduction by Robert A. Nisbet
Harper Torchbooks, 1972
Buku Teks
Martin, Brian, author
Freedom Press, 1993
Buku Teks
Firth, Raymond, author
George Allen and Unwin, 1959
Buku Teks
Ponsioen, J.A.
Mouton, 1969
Buku Teks