APA

PROGRESSIVE ARCHITECTURE, . (1980). INTERNATIONAL INTERIORS - CEILINGS - BARRIER FREE STANDARDS. : .

Chicago

PROGRESSIVE ARCHITECTURE, . 1980. INTERNATIONAL INTERIORS - CEILINGS - BARRIER FREE STANDARDS. : .

Harvard

PROGRESSIVE ARCHITECTURE, . (1980). INTERNATIONAL INTERIORS - CEILINGS - BARRIER FREE STANDARDS. : .

MLA

PROGRESSIVE ARCHITECTURE, . INTERNATIONAL INTERIORS - CEILINGS - BARRIER FREE STANDARDS. : . 1980.