Dyfyniad APA

Osman, L. (2002). Psychological factors in asthma control and attack risk.

Dyfyniad Arddull Chicago

Osman, L. Psychological Factors in Asthma Control and Attack Risk. 2002.

Dyfyniad MLA

Osman, L. Psychological Factors in Asthma Control and Attack Risk. 2002.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.