J., S., C., L., P., R.(2002).Construction planning, equipment, and methods / Robert L. Peurifoy, Clifford J. Schexnayder (Ed.ke-6).New York:McGraw Hill.
Gaya MLA
Schexnayder, Clifford, J.., Peurifoy, Robert, L.."Construction planning, equipment, and methods / Robert L. Peurifoy, Clifford J. Schexnayder".Ed.ke-6New York:McGraw Hill,2002.Textbook.