1. A petition for a referendum shall be in substantially the following form:
2. Every sheet for petitioners' signatures shall be attached to a full and correct copy of the title and text of the measure proposed by the initiative petition. Referendum petitions shall be attached to a full and correct copy of the measure on which the referendum is demanded.
3. Each sheet of every petition containing signatures shall be verified in substantially the following form by the person who circulated the sheet, by his affidavit thereon: