Παραπομπή APA

Van Der Slik, J. R. (1977). American legislative processes. Y Cromwell.

Παραπομπή Chicago Style

Van Der Slik, Jack R. American Legislative Processes. New York: Y Cromwell, 1977.

Παραπομπή MLA

Van Der Slik, Jack R. American Legislative Processes. Y Cromwell, 1977.