- Cărți electroniceContractor's Guide for Installation of Gasketed PVC Pipe for Water / for SewerUni-Bell PVC Pipe Association
- Cărți electroniceHandbook of PVC Pipe Design and ConstructionUni-Bell PVC Pipe Association
- Cărți electroniceGuía del Contratista para Instalación de Tuberías de PVC con Empaque para Agua/ para AlcantarilladoUni-Bell PVC Pipe Association