(b) The directors shall supervise the referendum, shall prescribe appropriate regulations governing the conduct thereof, and shall publish the result thereof.
(c) All owners of lands within the district shall be eligible to vote in the referendum. Only such landowners shall be eligible to vote.
(d) No informalities in the conduct of the referendum or in any matters relating thereto shall invalidate the referendum or its result if notice thereof shall have been given substantially as provided in this section and if the referendum shall have been fairly conducted.