SpringerLink (Online service), Nici, L., & ZuWallack, R. (2012). Chronic Obstructive Pulmonary Disease: Co-Morbidities and Systemic Consequences. Humana Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Linda Nici, και Richard ZuWallack. Chronic Obstructive Pulmonary Disease: Co-Morbidities and Systemic Consequences. Totowa, NJ: Humana Press, 2012.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Chronic Obstructive Pulmonary Disease: Co-Morbidities and Systemic Consequences. Humana Press, 2012.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.