एपीए उद्धरण

Rutgers, S., Postma, D., ten, H., Kauffman, H., van der Mark, T. W., Koeter, G., & Timens, W. (2000). Ongoing airway inflammation in patients with COPD who do not currently smoke. BMJ Group.

शिकागो स्टाइल उद्धरण

Rutgers, S., D. Postma, H. ten, H. Kauffman, T. W. van der Mark, G. Koeter, और W. Timens. Ongoing Airway Inflammation in Patients With COPD Who Do Not currently Smoke. BMJ Group, 2000.

एमएलए उद्धरण

Rutgers, S., et al. Ongoing Airway Inflammation in Patients With COPD Who Do Not currently Smoke. BMJ Group, 2000.