Peurifoy, R. L. Construction planning, equipment and methods.
Cita Chicago Style (17a ed.)Peurifoy, Robert Leroy. Construction Planning, Equipment and Methods. 1956.
Cita MLA (9a ed.)Peurifoy, Robert Leroy. Construction Planning, Equipment and Methods.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.