APA-Zitierstil (7. Ausg.)

(1999). The link between asthma and COPD: [... held in Groningen, The Netherlands in the summer of 1998]. Blackwell Science.

Chicago-Zitierstil (17. Ausg.)

The Link Between Asthma and COPD: [... Held in Groningen, The Netherlands in the Summer of 1998]. Oxford: Blackwell Science, 1999.

MLA-Zitierstil (9. Ausg.)

The Link Between Asthma and COPD: [... Held in Groningen, The Netherlands in the Summer of 1998]. Blackwell Science, 1999.