Cita APA (7th ed.)
Singh, S. (2017). Refrigeration and air-conditioning. Khanna Book Publishing Co.
Cita Chicago (17th ed.)
Singh, Sadhu. Refrigeration and Air-conditioning. New Delhi: Khanna Book Publishing Co, 2017.
Cita MLA (9th ed.)
Singh, Sadhu. Refrigeration and Air-conditioning. Khanna Book Publishing Co, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.