Gaya APA

Peurifoy, R, L., Schexnayder, C, J. (2006). (PASCA) Construction Planning Equipment and Methods (7). USA: Mc Graw Hiil.

Gaya MLA

Peurifoy, Robert, L.., Schexnayder, Clifford, J.. "(PASCA) Construction Planning Equipment and Methods". 7 USA: Mc Graw Hiil, 2006. .