APA aipamena

Aguilar Vásconez, W. D. (2007). Implementing a portafolio-based writing assessment in the level four at the Pontificia Universidad Católica del Ecuador Sede Ambato.

Chicago Style aipamena

Aguilar Vásconez, Wilson Daniel. Implementing a Portafolio-based Writing Assessment in the Level Four at the Pontificia Universidad Católica Del Ecuador Sede Ambato. 2007.

MLA aipamena

Aguilar Vásconez, Wilson Daniel. Implementing a Portafolio-based Writing Assessment in the Level Four at the Pontificia Universidad Católica Del Ecuador Sede Ambato. 2007.