The governing body is authorized to acquire, own, construct, establish, enlarge, improve, expand, operate, maintain and repair, and sell, lease, and otherwise dispose of an improvement and to finance the acquisition, construction, establishment, enlargement, improvement, expansion, operation, maintenance and repair, in whole or in part, by the imposition of assessments in accordance with this chapter and through the issuance of special district bonds, general obligation bonds of the county, or revenue bonds of the county, from general revenues from any source not restricted from that use by law, or by a combination of the funding sources.