APA-referens (7:e uppl.)

Butler, W. F. (1873). Ventilation of buildings. D. Van Nostrand.

Chicago-referens (17:e uppl.)

Butler, William Frederick. Ventilation of Buildings. New York: D. Van Nostrand, 1873.

MLA-referens (8:e uppl.)

Butler, William Frederick. Ventilation of Buildings. D. Van Nostrand, 1873.