APA

Nachmias D., . (1979). Public policy evaluation. New York: St. Martin's Press.

Chicago

Nachmias David, . 1979. Public policy evaluation. New York: St. Martin's Press.

Harvard

Nachmias D., . (1979). Public policy evaluation. New York: St. Martin's Press.

MLA

Nachmias David, . Public policy evaluation. New York: St. Martin's Press. 1979.