APA (7e ed.) Bronvermelding

Katigbak, A. F. (2005). New data reinforces use of montelukast in asthma patients with allergic rhinitis. Philippine Star.

Chicago (17e ed.) Bronvermelding

Katigbak, Antonio F. "New Data Reinforces Use of Montelukast in Asthma Patients with Allergic Rhinitis." Philippine Star 2005.

MLA (9e ed.) Bronvermelding

Katigbak, Antonio F. "New Data Reinforces Use of Montelukast in Asthma Patients with Allergic Rhinitis." Philippine Star, 2005.