Basic 14th Edition National Association of State Contractors Licensing Agencies
A Guide to the Project Management Body of Knowledge (PMBOK Guide)
This complete package includes all required reference books
All the required books for the PSI Virginia Commercial Improvement Contractor
PSI Louisiana Roofing, Sheet Metal and Siding Contractor Book Package Options:Highlighted & Tabbed Books Basic 14th Edition National AssociationLouisiana Roofing, Sheet Metal and Siding Contractor Books, Pre Printed Tabs, and Online Course Options Required Reference Books Code of Federal Regulations 29 CFR Part 1926 (OSHA) International Building Code, 2018 International Residential Code for One and Two Family Dwellings, 2018 edition, Roofing Construction & Estimating , 1995, NRCA Roofing Manual: Steep Slope Roof Systems, 2025, NRCA Roofing Manual: Membrane Roofing Systems, 2023 Click for PSI