APA-referens (7:e uppl.)

Friedman, J. (1973). Urbanization, planning, and national development. Sage Pub.

Chicago-referens (17:e uppl.)

Friedman, John. Urbanization, Planning, and National Development. Beverly Hill, [Calif.]: Sage Pub, 1973.

MLA-referens (9:e uppl.)

Friedman, John. Urbanization, Planning, and National Development. Sage Pub, 1973.