Gupta, A. (1996). How to control Asthma. UBSPD.
Cita Chicago (17th ed.)Gupta, Arun. How to Control Asthma. New Delhi: UBSPD, 1996.
Cita MLA (9th ed.)Gupta, Arun. How to Control Asthma. UBSPD, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.