An authority may issue such types of bonds as it determines, including bonds on which the principal and interest are payable:
(a) Exclusively from the income and revenues of the housing project financed with the proceeds of the bonds, or with such proceeds together with a grant from the Federal Government in aid of the project.
(b) Exclusively from the income and revenues of certain designated housing projects whether or not they were financed in whole or in part with the proceeds of the bonds.
(c) From its revenues generally.
(Added by Stats. 1951, Ch. 710.)