Johansen, L. (1968). Public economics (1st ed. 2nd printing.). North-Holland.
Cita Chicago Style (17a ed.)Johansen, Leif. Public Economics. 1st ed. 2nd printing. Amsterdam: North-Holland, 1968.
Cita MLA (9a ed.)Johansen, Leif. Public Economics. 1st ed. 2nd printing. North-Holland, 1968.
Precaución: Estas citas no son 100% exactas.