COTTS DAVID G. (1999). FACILITY MANAGEMENT HANDBOOK (2ND.). AMACOM.
Lua i Stíl Chicago (17ú heag.)COTTS DAVID G. FACILITY MANAGEMENT HANDBOOK. 2ND. NEW YORK: AMACOM, 1999.
Lua MLA (9ú heag.)COTTS DAVID G. FACILITY MANAGEMENT HANDBOOK. 2ND. AMACOM, 1999.
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