Cita APA (7th ed.)
Ballaney, P. (2016). Refrigeration and air conditioning (16th ed.). Khanna Pub.
Cita Chicago (17th ed.)
Ballaney, P.L. Refrigeration and Air Conditioning. 16th ed. New Delhi: Khanna Pub, 2016.
Cita MLA (9th ed.)
Ballaney, P.L. Refrigeration and Air Conditioning. 16th ed. Khanna Pub, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.