Gershuny, J.I.
Praeger , 1983
Buku Teks
Eisenstadt, S. N. (Shmuel Noah), author
The Free Press, 1978
Buku Teks
Rowlan, Donald T.
Springer, 2012
eBooks
Pascal Couderc and Kenneth Sillander, editors
Nias Press, 2012
Buku Teks
Eisenstadt, S. N. (Shmuel Noah), author
Rajawali , 1986
Buku Teks