M., S. A. E. A. (1970). Theories of Social Change an Edited Selection From the Writing of Current Authors. The Institute of National Planning.
Chicago-čujuhus (17. p.)M., Salem Abd El Aziz. Theories of Social Change an Edited Selection From the Writing of Current Authors. Cairo: The Institute of National Planning, 1970.
MLA-čujuhus (9. p.)M., Salem Abd El Aziz. Theories of Social Change an Edited Selection From the Writing of Current Authors. The Institute of National Planning, 1970.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.