Piera, C. (1988). Spanish verse and the theory of meter. University Microfilms International.
Cita Chicago Style (17a ed.)Piera, Carlos. Spanish Verse and the Theory of Meter. Ann Arbor: University Microfilms International, 1988.
Cita MLA (9a ed.)Piera, Carlos. Spanish Verse and the Theory of Meter. University Microfilms International, 1988.
Precaución: Estas citas no son 100% exactas.