Cita APA (7th ed.)

Keeley, D., & Osman, L. (2001). Dysfunctional breathing and asthma. It is important to tell the difference.

Cita Chicago (17th ed.)

Keeley, D., i L. Osman. Dysfunctional Breathing and Asthma. It Is Important to Tell the Difference. 2001.

Cita MLA (9th ed.)

Keeley, D., i L. Osman. Dysfunctional Breathing and Asthma. It Is Important to Tell the Difference. 2001.