Cita APA

Billings, J. S. (1893). Ventilation and heating. The Engineering record.

Chicago Style (17th ed.) Citation

Billings, John S. Ventilation and Heating. New York: The Engineering record, 1893.

Cita MLA

Billings, John S. Ventilation and Heating. The Engineering record, 1893.

Atenció: Aquestes cites poden no estar 100% correctes.