Ringwald, R. C. (1993). Means Heavy Construction Handbook: A practical guide to estimating and accouting methods, operations/equipment requirements, hazardous site evaluation/remediation. R. S. Means Company.
Cita Chicago Style (17a ed.)Ringwald, Richard C. Means Heavy Construction Handbook: A Practical Guide to Estimating and Accouting Methods, Operations/equipment Requirements, Hazardous Site Evaluation/remediation. USA: R. S. Means Company, 1993.
Cita MLA (9a ed.)Ringwald, Richard C. Means Heavy Construction Handbook: A Practical Guide to Estimating and Accouting Methods, Operations/equipment Requirements, Hazardous Site Evaluation/remediation. R. S. Means Company, 1993.
Precaución: Estas citas no son 100% exactas.