APA

Steffy G., .Time-Saver Standards For Architectural Lighting. New York: Mc Graw-Hill.

Chicago

Steffy Gary, .Time-Saver Standards For Architectural Lighting. New York: Mc Graw-Hill.

Harvard

Steffy G., .Time-Saver Standards For Architectural Lighting. New York: Mc Graw-Hill.

MLA

Steffy Gary, .New York: Mc Graw-Hill. .