Realpe Rivadeneira, G. R. (2020). Concrete paving blocks abrasion resistance: Ecuadorian standard application and modification.
استشهاد بنمط شيكاغوRealpe Rivadeneira, Guillermo Ricardo. Concrete Paving Blocks Abrasion Resistance: Ecuadorian Standard Application and Modification. 2020.
MLA استشهادRealpe Rivadeneira, Guillermo Ricardo. Concrete Paving Blocks Abrasion Resistance: Ecuadorian Standard Application and Modification. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.