APA引文

Poels, P. J. P., Schermer, T. R. J., van Weel, C., & Calverley, P. M. A. (2006). Spirometry in chronic obstructive pulmonary disease: Is available, yet underused in general practice. BMJ Publishing Group Ltd.

Citação norma Chicago

Poels, Patrick J P., Tjard R J. Schermer, Chris van Weel, and Peter M A. Calverley. Spirometry in Chronic Obstructive Pulmonary Disease: Is Available, yet Underused in General Practice. BMJ Publishing Group Ltd, 2006.

MLA引文

Poels, Patrick J P., Tjard R J. Schermer, Chris van Weel, and Peter M A. Calverley. Spirometry in Chronic Obstructive Pulmonary Disease: Is Available, yet Underused in General Practice. BMJ Publishing Group Ltd, 2006.