COTTS DAVID G. (1999). FACILITY MANAGEMENT HANDBOOK (2ND.). AMACOM.
Dyfyniad Arddull ChicagoCOTTS DAVID G. FACILITY MANAGEMENT HANDBOOK. 2ND. NEW YORK: AMACOM, 1999.
Dyfyniad MLACOTTS DAVID G. FACILITY MANAGEMENT HANDBOOK. 2ND. AMACOM, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.