R.S. Means Company & Mahoney, W. D. (1986). Means electrical estimating: Standards and procedures. R.S. Means Co.
Cita Chicago (17th ed.)R.S. Means Company i William D. Mahoney. Means Electrical Estimating: Standards and Procedures. Kingston, Mass: R.S. Means Co, 1986.
Cita MLA (9th ed.)R.S. Means Company i William D. Mahoney. Means Electrical Estimating: Standards and Procedures. R.S. Means Co, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.