APA-viite

van Buul, A. R., Kasteleyn, M. J., Chavannes, N. H., & Taube, C. (2018). Physical activity in the morning and afternoon is lower in patients with chronic obstructive pulmonary disease with morning symptoms. Respir Res.

Chicago-tyylinen lähdeviittaus

van Buul, Amanda R., Marise J. Kasteleyn, Niels H. Chavannes, ja Christian Taube. "Physical Activity in the Morning and Afternoon Is Lower in Patients With Chronic Obstructive Pulmonary Disease With Morning Symptoms." Respir Res 2018.

MLA-viite

van Buul, Amanda R., Marise J. Kasteleyn, Niels H. Chavannes, ja Christian Taube. "Physical Activity in the Morning and Afternoon Is Lower in Patients With Chronic Obstructive Pulmonary Disease With Morning Symptoms." Respir Res 2018.

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