APA
British Standards Institution, . (1986). British Standard guide to building maintenance management. London: British Standards Institution.
Chicago
British Standards Institution, . 1986. British Standard guide to building maintenance management. London: British Standards Institution.
Harvard
British Standards Institution, . (1986). British Standard guide to building maintenance management. London: British Standards Institution.
MLA
British Standards Institution, . British Standard guide to building maintenance management. London: British Standards Institution. 1986.
