González, P., Yupanqui, M. J., & Kleinherenbrink, C. (2019). The microvariation of the Spanish perfect in three varieties. Universitat Autònoma de Barcelona.
Cita Chicago Style (17a ed.)González, Paz, Margarita Jara Yupanqui, y Carmen Kleinherenbrink. The Microvariation of the Spanish Perfect in Three Varieties. Universitat Autònoma de Barcelona, 2019.
Cita MLA (8a ed.)González, Paz, et al. The Microvariation of the Spanish Perfect in Three Varieties. Universitat Autònoma de Barcelona, 2019.
Precaución: Estas citas no son 100% exactas.