Παραπομπή APA

(1976). History of public works in the united states 1776-1976. Chicago: American Public Works Association.

Παραπομπή Chicago Style

History of Public Works in the United States 1776-1976. Chicago: American Public Works Association, 1976.

Παραπομπή MLA

History of Public Works in the United States 1776-1976. Chicago: American Public Works Association, 1976.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.