APA

Kay G. N., . (1992). Mechanical & electrical systems for historic buildings. New York [u.a.]: McGraw-Hill.

Chicago

Kay Gersil N, . 1992. Mechanical & electrical systems for historic buildings. New York [u.a.]: McGraw-Hill.

Harvard

Kay G. N., . (1992). Mechanical & electrical systems for historic buildings. New York [u.a.]: McGraw-Hill.

MLA

Kay Gersil N, . Mechanical & electrical systems for historic buildings. New York [u.a.]: McGraw-Hill. 1992.